Michigan
Area codes
8
Rate centres
131
Carriers
73
Prefix blocks
27,495
A Local Access and Transport Area is the region a call is routed within before it becomes long-haul. The boundaries were drawn when the Bell System was broken up in 1984: a local carrier could carry a call inside its LATA, and a long-distance carrier had to take it across one. The division still shapes how calls are routed and rated today, which is why every prefix block on this site carries a LATA.
73 carriers hold blocks here. The 25 largest are shown.
| Carrier | OCN | Blocks | Share |
|---|---|---|---|
| CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MI | 6003 | 4,230 | 15.4% |
| OMNIPOINT COMMUNICATIONS MIDWEST OPERATIONS, LLC | 2964 | 4,013 | 14.6% |
| NEW CINGULAR WIRELESS PCS, LLC - IL | 6534 | 3,035 | 11.0% |
| MICHIGAN BELL TEL CO | 9323 | 2,953 | 10.7% |
| ONVOY, LLCV - MI | 543C | 2,487 | 9.0% |
| METROPCS, INC. | 5562 | 1,667 | 6.1% |
| BANDWIDTH.COM CLEC, LLC - MI | 991E | 1,206 | 4.4% |
| LEVEL 3 COMMUNICATIONS, LLC - MI | 6120 | 1,090 | 4.0% |
| MCIMETRO ACCESS TRANSMISSION SERVICES LLC - MI | 7279 | 1,000 | 3.6% |
| PAETEC ITEL, LLC | 829J | 973 | 3.5% |
| COMCAST IP PHONE, LLC | 318J | 739 | 2.7% |
| TELEPORT COMMUNICATIONS AMERICA, LLC - MI | 770E | 729 | 2.7% |
| PEERLESS NETWORK OF MICHIGAN, LLC - MI | 933G | 419 | 1.5% |
| ONVOY SPECTRUM, LLC | 624H | 407 | 1.5% |
| FRONTIER NORTH, INC. - MI | 0695 | 268 | 1.0% |
| 123.NET, LLC | 2550 | 203 | 0.7% |
| TERRA NOVA TELECOM INC. | 145J | 186 | 0.7% |
| ACD TELECOM, INC. - MI | 3535 | 171 | 0.6% |
| CLEAR RATE COMMUNICATIONS, LLC | 046L | 153 | 0.6% |
| AT&T CORP. | 516C | 139 | 0.5% |
| CENTURYLINK COMMUNICATIONS, LLC | 508J | 132 | 0.5% |
| TELNET WORLDWIDE, INC. | 817J | 132 | 0.5% |
| TON80 COMMUNICATIONS, LLC | 516J | 109 | 0.4% |
| COMMIO, LLC | 939H | 102 | 0.4% |
| AMERICAN MESSAGING SERVICES, LLC | 9748 | 98 | 0.4% |
131 rate centres. search them all.