Pennsylvania
Area codes
2
Rate centres
33
Carriers
36
Prefix blocks
1,563
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.
36 carriers hold blocks here. The 25 largest are shown.
| Carrier | OCN | Blocks | Share |
|---|---|---|---|
| ONVOY, LLC - PA | 547E | 209 | 13.4% |
| VERIZON NORTH, INC. - PA | 0169 | 209 | 13.4% |
| CELLCO PARTNERSHIP DBA VERIZON WIRELESS - PA | 6392 | 167 | 10.7% |
| NEW CINGULAR WIRELESS PCS, LLC - IL | 6534 | 126 | 8.1% |
| T-MOBILE USA, INC. | 6529 | 110 | 7.0% |
| CORE COMMUNICATIONS, INC. - PA | 3806 | 106 | 6.8% |
| WINDSTREAM PENNSYLVANIA, INC. | 0176 | 99 | 6.3% |
| BANDWIDTH.COM CLEC, LLC - PA | 002F | 78 | 5.0% |
| LEVEL 3 COMMUNICATIONS, LLC - PA | 4007 | 60 | 3.8% |
| PAETEC ITEL, LLC | 829J | 50 | 3.2% |
| TWC IP ENABLED SERVICES, LLC | 793K | 48 | 3.1% |
| METROPCS, INC. | 5562 | 36 | 2.3% |
| ARMSTRONG TELECOMMUNICATIONS, INC. - PA | 422C | 35 | 2.2% |
| ONVOY SPECTRUM, LLC | 624H | 35 | 2.2% |
| MCIMETRO ACCESS TRANSMISSION SERVICES LLC | 7229 | 32 | 2.0% |
| TELNYX LLC | 073H | 27 | 1.7% |
| IP HORIZON LLC | 515J | 22 | 1.4% |
| COMMIO, LLC | 939H | 19 | 1.2% |
| NUSO, LLC | 551G | 17 | 1.1% |
| TELEPORT COMMUNICATIONS AMERICA, LLC - PA | 7315 | 14 | 0.9% |
| TELEPORT COMMUNICATIONS AMERICA, LLC - PA | 7309 | 12 | 0.8% |
| YMAX COMMUNICATIONS CORP. - PA | 283E | 10 | 0.6% |
| CHOICE ONE COMMUNICATIONS, INC. - PA | 4024 | 5 | 0.3% |
| COMCAST IP PHONE, LLC | 318J | 5 | 0.3% |
| AHOI LLC | 883K | 4 | 0.3% |
33 rate centres. search them all.