| 231-201 | Rodney, MI | Wireless | New Cingular Wireless PCS - IL |
| 231-202 | Mecosta, MI | Wireless | New Cingular Wireless PCS - IL |
| 231-203 | Alanson, MI | Wireless | New Cingular Wireless PCS - IL |
| 231-204 | Fife Lake, MI | Landline | Usa Mobility Wireless |
| 231-205 | Brutus, MI | Landline | Telnet Worldwide |
| 231-206 | Muskegon, MI | Landline | Sprint Spectrum L.p. |
| 231-207 | Honor, MI | Landline | Telnet Worldwide |
| 231-208 | Boyne Falls, MI | Landline | Telnet Worldwide |
| 231-209 | Suttons Bay, MI | Landline | Telnet Worldwide |
| 231-214 | Leroy, MI | Landline | Usa Mobility Wireless |
| 231-215 | Muskegon, MI | Wireless | Cellco Partnership DBA Verizon Wireless |
| 231-217 | Bear Lake, MI | Landline | Telnet Worldwide |
| 231-218 | Traverse City, MI | Wireless | Sprint Spectrum L.p. |
| 231-219 | Merritt, MI | Landline | Telnet Worldwide |
| 231-220 | Muskegon, MI | Landline | Local Exchange Carriers Of Michigan |
| 231-222 | East Jordan, MI | Landline | Level 3 Communications |
| 231-223 | Elk Rapids, MI | Landline | Peninsula Telephone Co. |
| 231-224 | Fremont, MI | Landline | Lucre |
| 231-225 | Fremont, MI | Landline | Level 3 Communications |
| 231-226 | Empire, MI | Landline | Telnet Worldwide |
| 231-227 | Honor, MI | Landline | Charter Fiberlink - Michigan |
| 231-228 | Cedar, MI | Landline | Centurytel Of Michigan Inc DBA Centurylink |
| 231-229 | Merritt, MI | Landline | Centurytel Of Michigan Inc DBA Centurylink |
| 231-230 | Elmira, MI | Landline | Telnet Worldwide |
| 231-232 | Merritt, MI | Landline | Telnet Worldwide |
| 231-233 | Ludington, MI | Wireless | Cellco Partnership DBA Verizon Wireless |
| 231-235 | Levering, MI | Landline | Telnet Worldwide |
| 231-236 | Lake City, MI | Landline | Telnet Worldwide |
| 231-237 | Charlevoix, MI | Landline | Ameritech Michigan |
| 231-238 | Indian River, MI | Landline | Ameritech Michigan |
| 231-239 | Ludington, MI | Wireless | Cellco Partnership DBA Verizon Wireless |
| 231-240 | Lake Ann, MI | Landline | Telnet Worldwide |
| 231-241 | Pentwater, MI | Landline | Daystarr DBA Daystarr Communications |
| 231-242 | Harbor Springs, MI | Landline | Ameritech Michigan |
| 231-243 | Alanson, MI | Landline | Telnet Worldwide |
| 231-245 | Newaygo, MI | Wireless | New Cingular Wireless PCS - IL |
| 231-249 | Cheboygan, MI | Landline | Lucre |
| 231-250 | Big Rapids, MI | Wireless | Cellco Partnership DBA Verizon Wireless |
| 231-255 | Onekama, MI | Landline | Usa Mobility Wireless |
| 231-256 | Lake Leelanau, MI | Landline | Ameritech Michigan |
| 231-258 | Kalkaska, MI | Landline | Ameritech Michigan |
| 231-259 | Shelby, MI | Landline | Charter Fiberlink - Michigan |
| 231-262 | Elmira, MI | Landline | Acd Telecom |
| 231-263 | Kingsley, MI | Landline | Century Tel Co Northern Michigan DBA Centurylink |
| 231-264 | Elk Rapids, MI | Landline | Ameritech Michigan |
| 231-265 | | Landline | Charter Fiberlink - Michigan |
| 231-266 | Irons, MI | Landline | Ameritech Michigan |
| 231-267 | Williamsburg, MI | Landline | Ameritech Michigan |
| 231-268 | Cheboygan, MI | Wireless | Cellco Partnership DBA Verizon Wireless |
| 231-269 | Buckley, MI | Landline | Ace Telephone Co. Of Michigan |
| 231-271 | Suttons Bay, MI | Landline | Centurytel Of Michigan Inc DBA Centurylink |
| 231-274 | Traverse City, MI | Wireless | American Messaging (am) |
| 231-275 | Lake Ann, MI | Landline | Centurytel Of Michigan Inc DBA Centurylink |
| 231-276 | Lake Ann, MI | Landline | Ameritech Michigan |
| 231-282 | Grant, MI | Landline | New Cingular Wireless PCS - IL |
| 231-286 | Muskegon, MI | Wireless | Cellco Partnership DBA Verizon Wireless |
| 231-287 | Big Rapids, MI | Wireless | Cellco Partnership DBA Verizon Wireless |
| 231-288 | Muskegon, MI | Wireless | New Cingular Wireless PCS - IL |
| 231-290 | Indian River, MI | Landline | New Cingular Wireless PCS - IL |
| 231-291 | Muskegon, MI | Landline | Telnet Worldwide |
| 231-292 | Whitehall, MI | Landline | Charter Fiberlink - Michigan |
| 231-295 | Lake City, MI | Landline | Charter Fiberlink - Michigan |
| 231-299 | Manistee, MI | Wireless | Sprint Spectrum L.p. |
| 231-301 | Hart, MI | Wireless | Cellco Partnership DBA Verizon Wireless |
| 231-302 | Petoskey, MI | Landline | Lucre |
| 231-303 | Newaygo, MI | Landline | Teleport Communications America |
| 231-305 | Big Rapids, MI | Landline | Telnet Worldwide |
| 231-306 | Cadillac, MI | Landline | Telnet Worldwide |
| 231-307 | Morley, MI | Landline | New Cingular Wireless PCS - IL |
| 231-308 | Charlevoix, MI | Landline | Telnet Worldwide |
| 231-309 | Manistee, MI | Landline | Telnet Worldwide |
| 231-312 | Frankfort, MI | Landline | Telnet Worldwide |
| 231-313 | Traverse City, MI | Landline | New Cingular Wireless PCS - IL |
| 231-314 | Kalkaska, MI | Landline | Telnet Worldwide |
| 231-315 | Muskegon, MI | Landline | Usa Mobility Wireless |
| 231-316 | Ludington, MI | Landline | Telnet Worldwide |
| 231-317 | Boyne City, MI | Landline | Usa Mobility Wireless |
| 231-318 | Traverse City, MI | Landline | Usa Mobility Wireless |
| 231-319 | Mackinaw City, MI | Landline | Telnet Worldwide |
| 231-322 | Rapid City, MI | Landline | Frontier North |
| 231-323 | East Jordan, MI | Landline | Lucre |
| 231-325 | Honor, MI | Landline | Centurytel Of Michigan Inc DBA Centurylink |
| 231-326 | Empire, MI | Landline | Centurytel Of Michigan Inc DBA Centurylink |
| 231-327 | Muskegon, MI | Wireless | New Cingular Wireless PCS - IL |
| 231-328 | Merritt, MI | Landline | Centurytel Of Michigan Inc DBA Centurylink |
| 231-329 | Muskegon, MI | Wireless | New Cingular Wireless PCS - IL |
| 231-330 | Petoskey, MI | Wireless | Cellco Partnership DBA Verizon Wireless |
| 231-331 | Alden, MI | Landline | Frontier North |
| 231-332 | Muskegon, MI | Landline | Telnet Worldwide |
| 231-333 | Cheboygan, MI | Landline | Level 3 Communications |
| 231-334 | Glen Arbor, MI | Landline | Centurytel Of Michigan Inc DBA Centurylink |
| 231-335 | Fremont, MI | Landline | New Cingular Wireless PCS - IL |
| 231-336 | Ludington, MI | Landline | Usa Mobility Wireless |
| 231-337 | Mc Bain, MI | Landline | Lucre |
| 231-338 | Baldwin, MI | Landline | Lucre |
| 231-339 | Muskegon, MI | Wireless | American Messaging (am) |
| 231-340 | Elmira, MI | Wireless | Cellco Partnership DBA Verizon Wireless |
| 231-341 | Cheboygan, MI | Wireless | American Messaging (am) |
| 231-342 | Traverse City, MI | Wireless | Cellco Partnership DBA Verizon Wireless |
| 231-343 | Muskegon, MI | Landline | Sprint Spectrum L.p. |
| 231-344 | Petoskey, MI | Landline | Telnet Worldwide |
| 231-345 | Reed City, MI | Landline | Lucre |
| 231-346 | Traverse City, MI | Landline | Telnet Worldwide |
| 231-347 | Petoskey, MI | Landline | Ameritech Michigan |
| 231-348 | Petoskey, MI | Landline | Ameritech Michigan |
| 231-349 | Big Rapids, MI | Wireless | Cellco Partnership DBA Verizon Wireless |
| 231-350 | Bellaire, MI | Wireless | Cellco Partnership DBA Verizon Wireless |
| 231-351 | Scottville, MI | Landline | Telnet Worldwide |
| 231-352 | Frankfort, MI | Landline | Ameritech Michigan |
| 231-353 | Mc Bain, MI | Landline | Telnet Worldwide |
| 231-354 | Coral, MI | Landline | Ameritech Michigan |
| 231-355 | Fremont, MI | Landline | Telnet Worldwide |
| 231-356 | Mancelona, MI | Landline | Telnet Worldwide |
| 231-357 | Traverse City, MI | Wireless | Cellco Partnership DBA Verizon Wireless |
| 231-358 | Central Lake, MI | Landline | Telnet Worldwide |
| 231-359 | Mecosta, MI | Landline | Charter Fiberlink - Michigan |
| 231-360 | Traverse City, MI | Wireless | New Cingular Wireless PCS - IL |
| 231-361 | Morley, MI | Landline | Telnet Worldwide |
| 231-362 | Kaleva, MI | Landline | Kaleva Telephone Company |
| 231-363 | Cheboygan, MI | Landline | Telnet Worldwide |
| 231-365 | Wolverine, MI | Landline | Telnet Worldwide |
| 231-366 | Fruitport, MI | Landline | Level 3 Communications |
| 231-368 | Baldwin, MI | Landline | Telnet Worldwide |
| 231-369 | South Boardman, MI | Landline | Ace Telephone Co. Of Michigan |
| 231-372 | Evart, MI | Landline | Telnet Worldwide |
| 231-373 | Petoskey, MI | Wireless | Cellco Partnership DBA Verizon Wireless |
| 231-375 | Muskegon, MI | Landline | Comlink |
| 231-377 | Alden, MI | Landline | Frontier North |
| 231-378 | Thompsonville, MI | Landline | Ace Telephone Co. Of Michigan |
| 231-382 | Cadillac, MI | Wireless | American Messaging (am) |
| 231-383 | Beulah, MI | Wireless | Cellco Partnership DBA Verizon Wireless |
| 231-384 | Kalkaska, MI | Wireless | Cellco Partnership DBA Verizon Wireless |
| 231-386 | Northport, MI | Landline | Ameritech Michigan |
| 231-388 | Leroy, MI | Wireless | Cellco Partnership DBA Verizon Wireless |
| 231-389 | Harrietta, MI | Landline | Ameritech Michigan |
| 231-392 | Traverse City, MI | Landline | Sprint Spectrum L.p. |
| 231-394 | Merritt, MI | Wireless | Cellco Partnership DBA Verizon Wireless |
| 231-395 | Grant, MI | Landline | Telnet Worldwide |
| 231-398 | Manistee, MI | Landline | Ameritech Michigan |
| 231-399 | Frankfort, MI | Landline | Acd Telecom |
| 231-403 | Williamsburg, MI | Landline | Sbc Internet Services |
| 231-404 | Stanwood, MI | Wireless | New Cingular Wireless PCS - IL |
| 231-408 | Big Rapids, MI | Landline | New Cingular Wireless PCS - IL |
| 231-409 | Traverse City, MI | Landline | New Cingular Wireless PCS - IL |
| 231-412 | Harbor Spgs, MI | Landline | Bandwidth.com Clec |
| 231-414 | Newaygo, MI | Landline | New Cingular Wireless PCS - IL |
| 231-416 | Big Rapids, MI | Wireless | American Messaging (am) |
| 231-420 | Cheboygan, MI | Wireless | Cellco Partnership DBA Verizon Wireless |
| 231-421 | Traverse City, MI | Landline | Charter Fiberlink - Michigan |
| 231-423 | Evart, MI | Landline | Lucre |
| 231-424 | Branch, MI | Landline | Acd Telecom |
| 231-425 | Ludington, MI | Landline | Sprint Spectrum L.p. |
| 231-427 | Mackinaw City, MI | Landline | Sbc Internet Services |
| 231-429 | Cadillac, MI | Wireless | Cellco Partnership DBA Verizon Wireless |
| 231-432 | Northport, MI | Wireless | New Cingular Wireless PCS - IL |
| 231-433 | Merritt, MI | Wireless | Cellco Partnership DBA Verizon Wireless |
| 231-435 | Cadillac, MI | Landline | Lucre |
| 231-436 | Mackinaw City, MI | Landline | Ameritech Michigan |
| 231-437 | Charlevoix, MI | Landline | Sprint Spectrum L.p. |
| 231-438 | Manistee, MI | Landline | Lucre |
| 231-439 | Petoskey, MI | Landline | Ameritech Michigan |
| 231-440 | Baldwin, MI | Landline | Local Exchange Carriers Of Michigan |
| 231-441 | Fife Lake, MI | Landline | Local Exchange Carriers Of Michigan |
| 231-445 | Cheboygan, MI | Wireless | Cellco Partnership DBA Verizon Wireless |
| 231-448 | Naubinway, MI | Landline | Island Telephone Co. |
| 231-450 | Hesperia, MI | Landline | New Cingular Wireless PCS - IL |
| 231-452 | Newaygo, MI | Landline | Lucre |
| 231-457 | Muskegon, MI | Landline | Acd Telecom |
| 231-459 | Boyne City, MI | Landline | Long Distance Of Michigan DBA Ldmi |
| 231-460 | Big Rapids, MI | Landline | Lucre |
| 231-462 | Fountain, MI | Landline | Ameritech Michigan |
| 231-463 | Traverse City, MI | Landline | Cellco Partnership DBA Verizon Wireless |
| 231-464 | Free Soil, MI | Landline | Ameritech Michigan |
| 231-465 | Reed City, MI | Landline | New Cingular Wireless PCS - IL |
| 231-468 | Cadillac, MI | Landline | Sprint Spectrum L.p. |
| 231-477 | Brethren, MI | Landline | Kaleva Telephone Company |
| 231-480 | Ludington, MI | Landline | Level 3 Communications |
| 231-482 | Boyne City, MI | Landline | Lucre |
| 231-484 | East Jordan, MI | Landline | Teleport Communications America |
| 231-486 | Traverse City, MI | Landline | Brooks Fiber Communications Of Michigan |
| 231-487 | Petoskey, MI | Landline | Ameritech Michigan |
| 231-488 | Manistee, MI | Landline | Local Exchange Carriers Of Michigan |
| 231-492 | Traverse City, MI | Wireless | Cellco Partnership DBA Verizon Wireless |
| 231-494 | Big Rapids, MI | Wireless | American Messaging (am) |
| 231-497 | Boyne City, MI | Wireless | Sprint Spectrum L.p. |
| 231-498 | Elk Rapids, MI | Landline | Level 3 Communications |
| 231-499 | Traverse City, MI | Wireless | Cellco Partnership DBA Verizon Wireless |
| 231-508 | Onekama, MI | Landline | Kaleva Telephone Company |
| 231-510 | Traverse City, MI | Wireless | New Cingular Wireless PCS - IL |
| 231-512 | Traverse City, MI | Wireless | American Messaging (am) |
| 231-514 | Cadillac, MI | Wireless | American Messaging (am) |
| 231-515 | Evart, MI | Landline | Acd Telecom |
| 231-516 | Petoskey, MI | Wireless | American Messaging (am) |
| 231-518 | Kalkaska, MI | Landline | Level 3 Communications |
| 231-519 | Newaygo, MI | Wireless | Cellco Partnership DBA Verizon Wireless |
| 231-520 | Charlevoix, MI | Landline | Local Exchange Carriers Of Michigan |
| 231-522 | Luther, MI | Landline | Lucre |
| 231-525 | Wolverine, MI | Landline | Ameritech Michigan |
| 231-526 | Harbor Springs, MI | Landline | Ameritech Michigan |
| 231-527 | Big Rapids, MI | Landline | Ameritech Michigan |
| 231-529 | Brutus, MI | Landline | Centurytel Of Michigan Inc DBA Centurylink |
| 231-532 | Kalkaska, MI | Wireless | American Messaging (am) |
| 231-533 | Bellaire, MI | Landline | Frontier North |
| 231-534 | Traverse City, MI | Landline | AT&T Local |
| 231-535 | Boyne City, MI | Landline | Ameritech Michigan |
| 231-536 | East Jordan, MI | Landline | Ameritech Michigan |
| 231-537 | Levering, MI | Landline | Centurytel Of Michigan Inc DBA Centurylink |
| 231-538 | Fremont, MI | Landline | Local Exchange Carriers Of Michigan |
| 231-539 | Pellston, MI | Landline | Ameritech Michigan |
| 231-543 | Leroy, MI | Landline | Lucre |
| 231-544 | Central Lake, MI | Landline | Frontier North |
| 231-546 | Elmira, MI | Landline | Centurytel Of Michigan Inc DBA Centurylink |
| 231-547 | Charlevoix, MI | Landline | Ameritech Michigan |
| 231-548 | Alanson, MI | Landline | Centurytel Of Michigan Inc DBA Centurylink |
| 231-549 | Boyne Falls, MI | Landline | Centurytel Of Michigan Inc DBA Centurylink |
| 231-556 | Charlevoix, MI | Landline | Lucre |
| 231-557 | Muskegon, MI | Wireless | Cellco Partnership DBA Verizon Wireless |
| 231-559 | Mc Bain, MI | Landline | Bandwidth.com Clec |
| 231-563 | Muskegon, MI | Landline | Lucre |
| 231-564 | Kalkaska, MI | Landline | New Cingular Wireless PCS - IL |
| 231-568 | Traverse City, MI | Landline | Lucre |
| 231-569 | Petoskey, MI | Wireless | American Messaging (am) |
| 231-570 | Fife Lake, MI | Wireless | New Cingular Wireless PCS - IL |
| 231-571 | Muskegon, MI | Landline | Frontier North |
| 231-577 | Cadillac, MI | Landline | Level 3 Communications |
| 231-578 | Muskegon, MI | Landline | Sprint Spectrum L.p. |
| 231-580 | Big Rapids, MI | Landline | Sprint Spectrum L.p. |
| 231-582 | Boyne City, MI | Landline | Ameritech Michigan |
| 231-583 | Ludington, MI | Landline | Local Exchange Carriers Of Michigan |
| 231-584 | Elmira, MI | Landline | Pigeon Telephone Co. |
| 231-585 | Elmira, MI | Landline | Pigeon Telephone Co. |
| 231-587 | Mancelona, MI | Landline | Ameritech Michigan |
| 231-588 | Ellsworth, MI | Landline | Frontier North |
| 231-590 | Traverse City, MI | Wireless | Cellco Partnership DBA Verizon Wireless |
| 231-591 | Big Rapids, MI | Landline | Ameritech Michigan |
| 231-592 | Big Rapids, MI | Landline | Ameritech Michigan |
| 231-593 | Cadillac, MI | Landline | Usa Mobility Wireless |
| 231-594 | Hart, MI | Landline | Lucre |
| 231-596 | Harbor Springs, MI | Landline | Usa Mobility Wireless |
| 231-597 | Cheboygan, MI | Landline | Ameritech Michigan |
| 231-598 | Big Rapids, MI | Landline | New Cingular Wireless PCS - IL |
| 231-599 | Central Lake, MI | Landline | Frontier North |
| 231-604 | Kalkaska, MI | Landline | Usa Mobility Wireless |
| 231-605 | Newaygo, MI | Landline | Usa Mobility Wireless |
| 231-606 | Big Rapids, MI | Landline | Usa Mobility Wireless |
| 231-607 | Cheboygan, MI | Landline | Usa Mobility Wireless |
| 231-608 | Frankfort, MI | Landline | Usa Mobility Wireless |
| 231-613 | Scottville, MI | Wireless | New Cingular Wireless PCS - IL |
| 231-614 | Shelby, MI | Landline | Lucre |
| 231-615 | Cheboygan, MI | Wireless | American Messaging (am) |
| 231-620 | Traverse City, MI | Landline | New Cingular Wireless PCS - IL |
| 231-622 | Petoskey, MI | Landline | Level 3 Communications |
| 231-623 | Wolverine, MI | Landline | Lucre |
| 231-624 | Kalkaska, MI | Landline | Sprint Spectrum L.p. |
| 231-625 | Cheboygan, MI | Landline | Ameritech Michigan |
| 231-626 | Levering, MI | Landline | Charter Fiberlink - Michigan |
| 231-627 | Cheboygan, MI | Landline | Ameritech Michigan |
| 231-628 | Manistee, MI | Wireless | American Messaging (am) |
| 231-629 | Big Rapids, MI | Landline | Sprint Spectrum L.p. |
| 231-631 | Traverse City, MI | Wireless | Cellco Partnership DBA Verizon Wireless |
| 231-632 | Traverse City, MI | Landline | New Cingular Wireless PCS - IL |
| 231-633 | Traverse City, MI | Landline | New Cingular Wireless PCS - IL |
| 231-634 | Cheboygan, MI | Landline | Island Telephone Co. |
| 231-635 | Mackinaw City, MI | Landline | Local Exchange Carriers Of Michigan |
| 231-636 | Howard City, MI | Landline | Local Exchange Carriers Of Michigan |
| 231-637 | Northport, MI | Landline | Telnet Worldwide |
| 231-638 | Muskegon, MI | Landline | Sprint Spectrum L.p. |
| 231-639 | Beulah, MI | Landline | Local Exchange Carriers Of Michigan |
| 231-640 | Lake Ann, MI | Wireless | New Cingular Wireless PCS - IL |
| 231-642 | Traverse City, MI | Landline | Sprint Spectrum L.p. |
| 231-643 | Morley, MI | Landline | Local Exchange Carriers Of Michigan |
| 231-644 | Brethren, MI | Landline | Lucre |
| 231-645 | Traverse City, MI | Landline | New Cingular Wireless PCS - IL |
| 231-646 | Ellsworth, MI | Landline | Frontier North |
| 231-647 | Coral, MI | Landline | Telnet Worldwide |
| 231-648 | Howard City, MI | Landline | Lucre |
| 231-649 | Traverse City, MI | Wireless | Cellco Partnership DBA Verizon Wireless |
| 231-651 | Beulah, MI | Wireless | New Cingular Wireless PCS - IL |
| 231-652 | Newaygo, MI | Landline | Ameritech Michigan |
| 231-656 | Kalkaska, MI | Landline | Local Exchange Carriers Of Michigan |
| 231-660 | Big Rapids, MI | Landline | Local Exchange Carriers Of Michigan |
| 231-662 | Irons, MI | Landline | Lucre |
| 231-667 | Marion, MI | Wireless | New Cingular Wireless PCS - IL |
| 231-668 | Traverse City, MI | Landline | Level 3 Communications |
| 231-670 | Muskegon, MI | Wireless | Cellco Partnership DBA Verizon Wireless |
| 231-672 | Muskegon, MI | Landline | AT&T Local |
| 231-674 | Grant, MI | Landline | Level 3 Communications |
| 231-675 | Boyne City, MI | Wireless | New Cingular Wireless PCS - IL |
| 231-676 | Bellaire, MI | Wireless | New Cingular Wireless PCS - IL |
| 231-678 | Brethren, MI | Landline | Acd Telecom |
| 231-679 | Big Rapids, MI | Wireless | Cellco Partnership DBA Verizon Wireless |
| 231-680 | Reed City, MI | Landline | Level 3 Communications |
| 231-681 | Fruitport, MI | Landline | Frontier North |
| 231-682 | Alden, MI | Landline | Telnet Worldwide |
| 231-683 | Muskegon, MI | Landline | Level 3 Communications |
| 231-686 | Frankfort, MI | Landline | Local Exchange Carriers Of Michigan |
| 231-689 | White Cloud, MI | Landline | Ameritech Michigan |
| 231-690 | Ludington, MI | Wireless | Cellco Partnership DBA Verizon Wireless |
| 231-693 | Indian River, MI | Landline | Lucre |
| 231-694 | Beulah, MI | Landline | Lucre |
| 231-695 | Howard City, MI | Landline | Telnet Worldwide |
| 231-697 | Bellaire, MI | Landline | Lucre |
| 231-698 | Harrietta, MI | Landline | Lucre |
| 231-704 | Free Soil, MI | Landline | Usa Mobility Wireless |
| 231-709 | Traverse City, MI | Landline | New Cingular Wireless PCS - IL |
| 231-712 | Muskegon, MI | Wireless | American Messaging (am) |
| 231-714 | Traverse City, MI | Wireless | Cellco Partnership DBA Verizon Wireless |
| 231-715 | Traverse City, MI | Landline | New Cingular Wireless PCS - IL |
| 231-719 | Muskegon, MI | Landline | Frontier North |
| 231-720 | Muskegon, MI | Landline | Frontier North |
| 231-721 | Hart, MI | Landline | Local Exchange Carriers Of Michigan |
| 231-722 | Muskegon, MI | Landline | Frontier North |
| 231-723 | Manistee, MI | Landline | Ameritech Michigan |
| 231-724 | Muskegon, MI | Landline | Frontier North |
| 231-725 | Muskegon, MI | Landline | Frontier North |
| 231-726 | Muskegon, MI | Landline | Frontier North |
| 231-727 | Muskegon, MI | Landline | Frontier North |
| 231-728 | Muskegon, MI | Landline | Frontier North |
| 231-729 | Irons, MI | Wireless | New Cingular Wireless PCS - IL |
| 231-730 | Muskegon, MI | Wireless | New Cingular Wireless PCS - IL |
| 231-731 | Shelby, MI | Landline | Lucre |
| 231-732 | Morley, MI | Landline | Lucre |
| 231-733 | Muskegon, MI | Landline | Frontier North |
| 231-734 | Evart, MI | Landline | Ameritech Michigan |
| 231-735 | Traverse City, MI | Landline | Cellco Partnership DBA Verizon Wireless |
| 231-736 | Muskegon, MI | Landline | Frontier North |
| 231-737 | Muskegon, MI | Landline | Frontier North |
| 231-739 | Muskegon, MI | Landline | Frontier North |
| 231-740 | Muskegon, MI | Wireless | Cellco Partnership DBA Verizon Wireless |
| 231-741 | Wellston, MI | Landline | Lucre |
| 231-742 | Hart, MI | Wireless | New Cingular Wireless PCS - IL |
| 231-743 | Marion, MI | Landline | Ameritech Michigan |
| 231-744 | Muskegon, MI | Landline | Frontier North |
| 231-745 | Baldwin, MI | Landline | Ameritech Michigan |
| 231-747 | Muskegon, MI | Landline | Frontier North |
| 231-750 | Muskegon, MI | Wireless | New Cingular Wireless PCS - IL |
| 231-753 | Petoskey, MI | Landline | Long Distance Of Michigan DBA Ldmi |
| 231-754 | Mancelona, MI | Landline | Lucre |
| 231-755 | Muskegon, MI | Landline | Frontier North |
| 231-757 | Scottville, MI | Landline | Ameritech Michigan |
| 231-758 | Petoskey, MI | Landline | Sprint Spectrum L.p. |
| 231-759 | Muskegon, MI | Landline | Frontier North |
| 231-760 | Muskegon, MI | Landline | Frontier North |
| 231-762 | Howard City, MI | Landline | Michigan Central Broadband Company |
| 231-764 | Fife Lake, MI | Landline | Telnet Worldwide |
| 231-766 | Muskegon, MI | Landline | Frontier North |
| 231-767 | Muskegon, MI | Landline | Frontier North |
| 231-768 | Leroy, MI | Landline | Ameritech Michigan |
| 231-769 | Muskegon, MI | Landline | Frontier North |
| 231-773 | Muskegon, MI | Landline | Frontier North |
| 231-774 | Interlochen, MI | Landline | Acd Telecom |
| 231-775 | Cadillac, MI | Landline | Ameritech Michigan |
| 231-776 | Petoskey, MI | Landline | Local Exchange Carriers Of Michigan |
| 231-777 | Muskegon, MI | Landline | Frontier North |
| 231-778 | Traverse City, MI | Landline | Local Exchange Carriers Of Michigan |
| 231-779 | Cadillac, MI | Landline | Ameritech Michigan |
| 231-780 | Norton Shores, MI | Landline | Frontier North |
| 231-782 | Cheboygan, MI | Landline | Local Exchange Carriers Of Michigan |
| 231-785 | Fountain, MI | Landline | Lucre |
| 231-788 | Muskegon, MI | Landline | Frontier North |
| 231-789 | Frankfort, MI | Landline | Lucre |
| 231-790 | Free Soil, MI | Landline | Long Distance Of Michigan DBA Ldmi |
| 231-791 | Reed City, MI | Landline | Long Distance Of Michigan DBA Ldmi |
| 231-792 | Mancelona, MI | Landline | Local Exchange Carriers Of Michigan |
| 231-793 | White Cloud, MI | Landline | Lucre |
| 231-794 | Manistee, MI | Wireless | New Cingular Wireless PCS - IL |
| 231-796 | Big Rapids, MI | Landline | Ameritech Michigan |
| 231-797 | Luther, MI | Landline | Ameritech Michigan |
| 231-798 | Muskegon, MI | Landline | Frontier North |
| 231-799 | Muskegon, MI | Landline | Frontier North |
| 231-803 | Morley, MI | Landline | Level 3 Communications |
| 231-805 | Kaleva, MI | Landline | Acd Telecom |
| 231-806 | Coral, MI | Landline | Local Exchange Carriers Of Michigan |
| 231-808 | Central Lake, MI | Landline | Local Exchange Carriers Of Michigan |
| 231-813 | Ludington, MI | Landline | Lucre |
| 231-818 | Cheboygan, MI | Landline | New Cingular Wireless PCS - IL |
| 231-821 | Holton, MI | Landline | Frontier North |
| 231-822 | Beulah, MI | Landline | Telnet Worldwide |
| 231-823 | Stanwood, MI | Landline | Frontier North |
| 231-824 | Manton, MI | Landline | Ameritech Michigan |
| 231-825 | Mc Bain, MI | Landline | Ameritech Michigan |
| 231-826 | Falmouth, MI | Landline | Century Tel Co Northern Michigan DBA Centurylink |
| 231-827 | Fife Lake, MI | Landline | Lucre |
| 231-828 | Twin Lake, MI | Landline | Frontier North |
| 231-829 | Tustin, MI | Landline | Ameritech Michigan |
| 231-830 | Muskegon, MI | Landline | Frontier North |
| 231-832 | Reed City, MI | Landline | Ameritech Michigan |
| 231-833 | Wolverine, MI | Wireless | New Cingular Wireless PCS - IL |
| 231-834 | Grant, MI | Landline | Ameritech Michigan |
| 231-835 | Maple City, MI | Wireless | New Cingular Wireless PCS - IL |
| 231-836 | Evart, MI | Landline | Local Exchange Carriers Of Michigan |
| 231-837 | Fremont, MI | Wireless | American Messaging (am) |
| 231-838 | Pellston, MI | Wireless | New Cingular Wireless PCS - IL |
| 231-839 | Lake City, MI | Landline | Centurytel Of Michigan Inc DBA Centurylink |
| 231-842 | Cadillac, MI | Landline | Local Exchange Carriers Of Michigan |
| 231-843 | Ludington, MI | Landline | Frontier North |
| 231-844 | Indian River, MI | Landline | Level 3 Communications |
| 231-845 | Ludington, MI | Landline | Frontier North |
| 231-846 | Cadillac, MI | Landline | Sprint Spectrum L.p. |
| 231-848 | Wellston, MI | Landline | Kaleva Telephone Company |
| 231-852 | Ludington, MI | Landline | New Cingular Wireless PCS - IL |
| 231-853 | Ravenna, MI | Landline | Frontier North |
| 231-854 | Hesperia, MI | Landline | Frontier North |
| 231-855 | Muskegon, MI | Landline | New Cingular Wireless PCS - IL |
| 231-856 | Morley, MI | Landline | Ameritech Michigan |
| 231-859 | Irons, MI | Landline | Kaleva Telephone Company |
| 231-861 | Shelby, MI | Landline | Frontier North |
| 231-862 | Harrietta, MI | Landline | Ace Telephone Co. Of Michigan |
| 231-863 | Scottville, MI | Landline | Lucre |
| 231-864 | Bear Lake, MI | Landline | Centurytel Of Michigan Inc DBA Centurylink |
| 231-865 | Fruitport, MI | Landline | Frontier North |
| 231-866 | Suttons Bay, MI | Wireless | New Cingular Wireless PCS - IL |
| 231-867 | Rodney, MI | Landline | Centurytel Midwest-midwest Inc DBA Centurylink |
| 231-869 | Pentwater, MI | Landline | Frontier North |
| 231-871 | Beulah, MI | Landline | New Cingular Wireless PCS - IL |
| 231-872 | Reed City, MI | Landline | New Cingular Wireless PCS - IL |
| 231-873 | Hart, MI | Landline | Frontier North |
| 231-874 | Wolverine, MI | Landline | Local Exchange Carriers Of Michigan |
| 231-875 | Fruitport, MI | Landline | Lucre |
| 231-876 | Cadillac, MI | Landline | Ameritech Michigan |
| 231-877 | Northport, MI | Landline | Lucre |
| 231-878 | Cadillac, MI | Wireless | Cellco Partnership DBA Verizon Wireless |
| 231-879 | Fife Lake, MI | Landline | Ameritech Michigan |
| 231-881 | Petoskey, MI | Landline | New Cingular Wireless PCS - IL |
| 231-882 | Beulah, MI | Landline | Ameritech Michigan |
| 231-883 | Traverse City, MI | Landline | New Cingular Wireless PCS - IL |
| 231-884 | Cadillac, MI | Landline | New Cingular Wireless PCS - IL |
| 231-885 | Mesick, MI | Landline | Ace Telephone Co. Of Michigan |
| 231-886 | Kalkaska, MI | Landline | New Cingular Wireless PCS - IL |
| 231-887 | Manistee, MI | Landline | New Cingular Wireless PCS - IL |
| 231-889 | Onekama, MI | Landline | Ameritech Michigan |
| 231-890 | Traverse City, MI | Landline | Ameritech Michigan |
| 231-893 | Whitehall, MI | Landline | Frontier North |
| 231-894 | Whitehall, MI | Landline | Frontier North |
| 231-896 | Coral, MI | Landline | Lucre |
| 231-898 | Baldwin, MI | Landline | Carr Telephone Co. |
| 231-899 | Northport, MI | Landline | Local Exchange Carriers Of Michigan |
| 231-902 | Hart, MI | Landline | Telnet Worldwide |
| 231-903 | Muskegon, MI | Landline | Level 3 Communications |
| 231-907 | Ludington, MI | Wireless | New Cingular Wireless PCS - IL |
| 231-908 | Mc Bain, MI | Landline | Local Exchange Carriers Of Michigan |
| 231-912 | Reed City, MI | Wireless | New Cingular Wireless PCS - IL |
| 231-916 | Mancelona, MI | Landline | Level 3 Communications |
| 231-920 | Traverse City, MI | Wireless | New Cingular Wireless PCS - IL |
| 231-922 | Traverse City, MI | Landline | Ameritech Michigan |
| 231-923 | Hart, MI | Landline | Sprint Spectrum L.p. |
| 231-924 | Fremont, MI | Landline | Ameritech Michigan |
| 231-925 | Scottville, MI | Landline | Local Exchange Carriers Of Michigan |
| 231-926 | Kalkaska, MI | Landline | Lucre |
| 231-928 | Fremont, MI | Landline | Ameritech Michigan |
| 231-929 | Traverse City, MI | Landline | Ameritech Michigan |
| 231-930 | Beulah, MI | Landline | Acd Telecom |
| 231-932 | Traverse City, MI | Landline | Ameritech Michigan |
| 231-933 | Traverse City, MI | Landline | Ameritech Michigan |
| 231-935 | Traverse City, MI | Landline | Ameritech Michigan |
| 231-936 | Scottville, MI | Landline | Long Distance Of Michigan DBA Ldmi |
| 231-937 | Howard City, MI | Landline | Frontier North |
| 231-938 | Traverse City, MI | Landline | Ameritech Michigan |
| 231-941 | Traverse City, MI | Landline | Ameritech Michigan |
| 231-942 | Cadillac, MI | Landline | Cellco Partnership DBA Verizon Wireless |
| 231-943 | Lake Ann, MI | Landline | Ameritech Michigan |
| 231-944 | Traverse City, MI | Landline | Cynergycomm.net |
| 231-946 | Traverse City, MI | Landline | Ameritech Michigan |
| 231-947 | Traverse City, MI | Landline | Ameritech Michigan |
| 231-955 | Muskegon, MI | Landline | New Cingular Wireless PCS - IL |
| 231-962 | Kaleva, MI | Landline | Lucre |
| 231-970 | Bear Lake, MI | Wireless | New Cingular Wireless PCS - IL |
| 231-972 | Mecosta, MI | Landline | Centurytel Midwest-midwest Inc DBA Centurylink |
| 231-974 | Grant, MI | Landline | Local Exchange Carriers Of Michigan |
| 231-981 | Whitehall, MI | Landline | Frontier North |
| 231-994 | Lake Leelanau, MI | Landline | Acd Telecom |
| 231-995 | Traverse City, MI | Landline | Ameritech Michigan |