Idaho, Oregon, Washington
Area codes
5
Rate centres
124
Carriers
87
Prefix blocks
6,066
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.
87 carriers hold blocks here. The 25 largest are shown.
| Carrier | OCN | Blocks | Share |
|---|---|---|---|
| CELLCO PARTNERSHIP DBA VERIZON WIRELESS - WA | 5812 | 851 | 14.0% |
| ONVOY, LLC - WA | 483E | 750 | 12.4% |
| NEW CINGULAR WIRELESS PCS, LLC | 6010 | 683 | 11.3% |
| T-MOBILE USA, INC. | 6529 | 586 | 9.7% |
| QWEST CORPORATION | 9638 | 518 | 8.5% |
| LEVEL 3 COMMUNICATIONS, LLC - WA | 6121 | 218 | 3.6% |
| MCIMETRO ACCESS TRANSMISSION SERVICES LLC | 7229 | 195 | 3.2% |
| ZIPLY FIBER NORTHWEST, LLC DBA ZIPLY FIBER | 4324 | 178 | 2.9% |
| UNITED STATES CELLULAR - WA | 6270 | 172 | 2.8% |
| METROPCS, INC. | 5562 | 165 | 2.7% |
| ONVOY, LLC - ID | 689F | 146 | 2.4% |
| CENTURYTEL OF WASHINGTON, INC. DBA CENTURYLINK | 2408 | 136 | 2.2% |
| BANDWIDTH.COM CLEC, LLC - WA | 006F | 116 | 1.9% |
| CENTURYLINK COMMUNICATIONS, LLC | 508J | 103 | 1.7% |
| UNITED TELEPHONE - NORTHWEST DBA CENTURYLINK - WA | 4521 | 87 | 1.4% |
| CHARTER IP ENABLED SERVICES, LLC | 792K | 83 | 1.4% |
| TERRA NOVA TELECOM INC. | 145J | 83 | 1.4% |
| ONVOY SPECTRUM, LLC | 624H | 69 | 1.1% |
| COMCAST IP PHONE, LLC | 318J | 60 | 1.0% |
| PEERLESS NETWORK OF WASHINGTON, LLC - WA | 159F | 58 | 1.0% |
| ELECTRIC LIGHTWAVE LLC DBA ALLSTREAM | 7173 | 45 | 0.7% |
| TELEPORT COMMUNICATIONS AMERICA, LLC - WA | 7146 | 42 | 0.7% |
| BANDWIDTH.COM CLEC, LLC - ID | 192F | 41 | 0.7% |
| CONSOLIDATED COMMUNICATIONS OF WASHINGTON COMPANY | 2412 | 41 | 0.7% |
| MCIMETRO ACCESS TRANSMISSION SERVICES LLC - WA | 7274 | 41 | 0.7% |
124 rate centres. search them all.