Minnesota, North Dakota, South Dakota
Area codes
3
Rate centres
317
Carriers
100
Prefix blocks
4,138
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.
100 carriers hold blocks here. The 25 largest are shown.
| Carrier | OCN | Blocks | Share |
|---|---|---|---|
| ONVOY, LLC - MN | 184D | 482 | 11.6% |
| ONVOY, LLC - ND | 452F | 372 | 9.0% |
| QWEST CORPORATION | 9631 | 332 | 8.0% |
| NEW CINGULAR WIRELESS PCS, LLC - IL | 6534 | 315 | 7.6% |
| CELLCO PARTNERSHIP DBA VERIZON WIRELESS - ND | 6568 | 310 | 7.5% |
| CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MN | 5816 | 259 | 6.3% |
| AERIAL COMMUNICATIONS, INC. | 6701 | 217 | 5.2% |
| MIDCONTINENT COMMUNICATIONS - ND | 3065 | 144 | 3.5% |
| BANDWIDTH.COM CLEC, LLC - ND | 999E | 120 | 2.9% |
| BANDWIDTH.COM CLEC, LLC - MN | 980E | 78 | 1.9% |
| TELNYX LLC | 073H | 77 | 1.9% |
| LEVEL 3 COMMUNICATIONS, LLC - ND | 8054 | 74 | 1.8% |
| LORETEL SYSTEMS, INC. | 1443 | 72 | 1.7% |
| TERRA NOVA TELECOM INC. | 145J | 71 | 1.7% |
| LEVEL 3 COMMUNICATIONS, LLC - MN | 5256 | 68 | 1.6% |
| CITIZENS TELECOM CO MN-FRONTIER CITIZENS COM-MN | 1123 | 66 | 1.6% |
| ONVOY SPECTRUM, LLC | 624H | 62 | 1.5% |
| CENTURYLINK COMMUNICATIONS, LLC | 508J | 56 | 1.4% |
| ARVIG TEL. CO. | 1350 | 51 | 1.2% |
| GARDEN VALLEY TEL. CO. | 1395 | 50 | 1.2% |
| POLAR COMMUN MUTUAL AID CORP. | 1630 | 46 | 1.1% |
| METROPCS, INC. | 5562 | 35 | 0.8% |
| CHARTER IP ENABLED SERVICES, LLC | 792K | 31 | 0.7% |
| EAST OTTER TAIL TEL. CO. | 1385 | 31 | 0.7% |
| FELTON TEL. CO., INC. | 1391 | 30 | 0.7% |
317 rate centres. search them all.