NumberResearchRecent prefix assignments
371 prefixes assigned in the last 30 days · from the daily NANPA CO code file, 09/19/2026
Which carriers received which NPA-NXX prefixes, and where. Assignments are initial assignments from NANPA records — because of number portability, the current serving carrier of individual numbers may differ. For finer-grained activity, see the thousands-block view above.
Most active assignees, last 30 days
New assignments by month
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| Assigned | NPA-NXX | Assignee | OCN | Rate center | State |
|---|---|---|---|---|---|
| 215-450 | NEW CINGULAR WIRELESS PCS, LLC - DC | 4036 | PHPHSBZN33 | PA | |
| 215-451 | VERIZON PENNSYLVANIA, INC. | 9208 | PHLDLPHZN1 | PA | |
| 215-452 | VERIZON PENNSYLVANIA, INC. | 9208 | PHLDLPHZN2 | PA | |
| 215-453 | VERIZON PENNSYLVANIA, INC. | 9208 | PERKASIE | PA | |
| 215-454 | VERIZON PENNSYLVANIA, INC. | 9208 | PHLDLPHZN1 | PA | |
| 215-455 | VERIZON PENNSYLVANIA, INC. | 9208 | PHLDLPHZN3 | PA | |
| 215-456 | VERIZON PENNSYLVANIA, INC. | 9208 | PHLDLPHZN3 | PA | |
| 215-457 | VERIZON PENNSYLVANIA, INC. | 9208 | PHLDLPHZN3 | PA | |
| 215-458 | TELEPORT COMMUNICATIONS AMERICA, LLC - PA | 7309 | PHPHSBZN42 | PA | |
| 215-460 | NEW CINGULAR WIRELESS PCS, LLC - DC | 4036 | PHPHSBZN33 | PA | |
| 215-461 | PAETEC ITEL, LLC | 829J | PHPHSBZN33 | PA | |
| 215-462 | VERIZON PENNSYLVANIA, INC. | 9208 | PHLDLPHZN1 | PA | |
| 215-463 | VERIZON PENNSYLVANIA, INC. | 9208 | PHLDLPHZN1 | PA | |
| 215-464 | VERIZON PENNSYLVANIA, INC. | 9208 | PHLDLPHZN4 | PA | |
| 215-465 | VERIZON PENNSYLVANIA, INC. | 9208 | PHLDLPHZN1 | PA | |
| 215-466 | VERIZON PENNSYLVANIA, INC. | 9208 | PHLDLPHZN1 | PA | |
| 215-467 | VERIZON PENNSYLVANIA, INC. | 9208 | PHLDLPHZN1 | PA | |
| 215-468 | VERIZON PENNSYLVANIA, INC. | 9208 | PHLDLPHZN1 | PA | |
| 215-469 | AT&T - LOCAL | 7421 | PHPHSBZN33 | PA | |
| 215-470 | NEW CINGULAR WIRELESS PCS, LLC - DC | 4036 | PHPHSBZN33 | PA | |
| 215-471 | VERIZON PENNSYLVANIA, INC. | 9208 | PHLDLPHZN2 | PA | |
| 215-472 | VERIZON PENNSYLVANIA, INC. | 9208 | PHLDLPHZN2 | PA | |
| 215-473 | VERIZON PENNSYLVANIA, INC. | 9208 | PHLDLPHZN2 | PA | |
| 215-474 | VERIZON PENNSYLVANIA, INC. | 9208 | PHLDLPHZN2 | PA | |
| 215-475 | MCIMETRO ACCESS TRANSMISSION SERVICES LLC | 7229 | PHLDLPHZN3 | PA | |
| 215-476 | VERIZON PENNSYLVANIA, INC. | 9208 | PHLDLPHZN2 | PA | |
| 215-477 | VERIZON PENNSYLVANIA, INC. | 9208 | PHLDLPHZN2 | PA | |
| 215-478 | TELEPORT COMMUNICATIONS AMERICA, LLC - PA | 7309 | PHPHSBZN43 | PA | |
| 215-479 | NEW CINGULAR WIRELESS PCS, LLC - DC | 4036 | PHPHSBZN33 | PA | |
| 215-480 | NEW CINGULAR WIRELESS PCS, LLC - DC | 4036 | PHPHSBZN33 | PA | |
| 215-481 | VERIZON PENNSYLVANIA, INC. | 9208 | PHPHSBZN34 | PA | |
| 215-482 | VERIZON PENNSYLVANIA, INC. | 9208 | PHLDLPHZN3 | PA | |
| 215-483 | VERIZON PENNSYLVANIA, INC. | 9208 | PHLDLPHZN3 | PA | |
| 215-485 | AT&T - LOCAL | 7421 | PHPHSBZN40 | PA | |
| 215-486 | TELEPORT COMMUNICATIONS AMERICA, LLC - PA | 7309 | PHPHSBZN44 | PA | |
| 215-487 | VERIZON PENNSYLVANIA, INC. | 9208 | PHLDLPHZN3 | PA | |
| 215-488 | TELEPORT COMMUNICATIONS AMERICA, LLC - PA | 7309 | PHPHSBZN45 | PA | |
| 215-489 | VERIZON PENNSYLVANIA, INC. | 9208 | DOYLESTOWN | PA | |
| 215-490 | NEW CINGULAR WIRELESS PCS, LLC - DC | 4036 | PHLDLPHZN3 | PA | |
| 215-491 | VERIZON PENNSYLVANIA, INC. | 9208 | PHPHSBZN45 | PA | |
| 215-492 | VERIZON PENNSYLVANIA, INC. | 9208 | PHLDLPHZN2 | PA | |
| 215-493 | VERIZON PENNSYLVANIA, INC. | 9208 | YARDLEY | PA | |
| 215-494 | MCIMETRO ACCESS TRANSMISSION SERVICES LLC | 7229 | PHPHSBZN40 | PA | |
| 215-495 | PAETEC ITEL, LLC | 829J | PHLDLPHZN2 | PA | |
| 215-496 | VERIZON PENNSYLVANIA, INC. | 9208 | PHLDLPHZN1 | PA | |
| 215-497 | VERIZON PENNSYLVANIA, INC. | 9208 | NEWTOWN | PA | |
| 215-498 | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - PA | 6392 | PHLDLPHZN2 | PA | |
| 215-499 | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - PA | 6392 | PHPHSBZN43 | PA | |
| 215-500 | OMNIPOINT COMMUNICATIONS ENTERPRISES, LP | 6626 | PHPHSBZN33 | PA | |
| 215-501 | VERIZON PENNSYLVANIA, INC. | 9208 | PHLDLPHZN4 | PA |
Source: NANPA CO Code Assignments (Utilized, All States, Public), file date 09/19/2026 — Tier A primary source, refreshed on every import. Viewing is free; bulk downloads require a membership.