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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Oct 2025
| Assigned | NPA-NXX | Assignee | OCN | Rate center | State |
|---|---|---|---|---|---|
| 215-397 | METROPCS, INC. | 5562 | PHLDLPHZN2 | PA | |
| 215-398 | ONVOY, LLC - PA | 547E | PHLDLPHZN1 | PA | |
| 215-399 | MCIMETRO ACCESS TRANSMISSION SERVICES LLC - PA | 7434 | PHLDLPHZN1 | PA | |
| 215-401 | SPOK, INC. | 6630 | PHLDLPHZN1 | PA | |
| 215-402 | VERIZON PENNSYLVANIA, INC. | 9208 | PHPHSBZN32 | PA | |
| 215-403 | VERIZON PENNSYLVANIA, INC. | 9208 | PHLDLPHZN3 | PA | |
| 215-404 | SPOK, INC. | 6630 | PHLDLPHZN1 | PA | |
| 215-405 | VERIZON PENNSYLVANIA, INC. | 9208 | PHLDLPHZN1 | PA | |
| 215-406 | OMNIPOINT COMMUNICATIONS ENTERPRISES, LP | 6626 | PHLDLPHZN3 | PA | |
| 215-407 | NEW CINGULAR WIRELESS PCS, LLC - DC | 4036 | PHPHSBZN33 | PA | |
| 215-408 | VERIZON PENNSYLVANIA, INC. | 9208 | PHLDLPHZN1 | PA | |
| 215-409 | VERIZON PENNSYLVANIA, INC. | 9208 | PHLDLPHZN1 | PA | |
| 215-411 | MULTIPLE OCN LISTING | MULT | XXXXXXXXXX | PA | |
| 215-412 | VERIZON PENNSYLVANIA, INC. | 9208 | LANSDALE | PA | |
| 215-413 | VERIZON PENNSYLVANIA, INC. | 9208 | PHLDLPHZN1 | PA | |
| 215-414 | SPOK, INC. | 6630 | PHLDLPHZN1 | PA | |
| 215-415 | SPOK, INC. | 6630 | PHLDLPHZN1 | PA | |
| 215-416 | METROPCS, INC. | 5562 | PHLDLPHZN1 | PA | |
| 215-417 | VERIZON PENNSYLVANIA, INC. | 9208 | PHLDLPHZN2 | PA | |
| 215-418 | VERIZON PENNSYLVANIA, INC. | 9208 | PHLDLPHZN1 | PA | |
| 215-419 | VERIZON PENNSYLVANIA, INC. | 9208 | PHLDLPHZN1 | PA | |
| 215-420 | MCIMETRO ACCESS TRANSMISSION SERVICES LLC | 7229 | PHPHSBZN39 | PA | |
| 215-421 | NEW CINGULAR WIRELESS PCS, LLC - DC | 4036 | PHPHSBZN33 | PA | |
| 215-422 | VERIZON PENNSYLVANIA, INC. | 9208 | PHLDLPHZN1 | PA | |
| 215-423 | VERIZON PENNSYLVANIA, INC. | 9208 | PHLDLPHZN1 | PA | |
| 215-424 | VERIZON PENNSYLVANIA, INC. | 9208 | PHLDLPHZN3 | PA | |
| 215-425 | VERIZON PENNSYLVANIA, INC. | 9208 | PHLDLPHZN1 | PA | |
| 215-426 | VERIZON PENNSYLVANIA, INC. | 9208 | PHLDLPHZN1 | PA | |
| 215-427 | VERIZON PENNSYLVANIA, INC. | 9208 | PHLDLPHZN1 | PA | |
| 215-428 | VERIZON PENNSYLVANIA, INC. | 9208 | MORRISVL | PA | |
| 215-429 | NEW CINGULAR WIRELESS PCS, LLC - DC | 4036 | PHPHSBZN33 | PA | |
| 215-430 | VERIZON PENNSYLVANIA, INC. | 9208 | PHLDLPHZN1 | PA | |
| 215-431 | METROPCS, INC. | 5562 | PHPHSBZN40 | PA | |
| 215-432 | METROPCS, INC. | 5562 | PHLDLPHZN1 | PA | |
| 215-433 | VERIZON PENNSYLVANIA, INC. | 9208 | PHLDLPHZN1 | PA | |
| 215-434 | RCN TELECOM SERVICES OF PENNSYLVANIA, INC. | 7615 | NEWTOWN | PA | |
| 215-435 | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - PA | 6392 | PHLDLPHZN2 | PA | |
| 215-436 | TELEPORT COMMUNICATIONS AMERICA, LLC - PA | 7309 | PHPHSBZN40 | PA | |
| 215-437 | RCN TELECOM SERVICES OF PENNSYLVANIA, INC. | 7615 | PHLDLPHZN4 | PA | |
| 215-438 | VERIZON PENNSYLVANIA, INC. | 9208 | PHLDLPHZN3 | PA | |
| 215-439 | NEW CINGULAR WIRELESS PCS, LLC - DC | 4036 | PHLDLPHZN3 | PA | |
| 215-440 | VERIZON PENNSYLVANIA, INC. | 9208 | PHLDLPHZN1 | PA | |
| 215-441 | VERIZON PENNSYLVANIA, INC. | 9208 | PHPHSBZN39 | PA | |
| 215-442 | VERIZON PENNSYLVANIA, INC. | 9208 | PHPHSBZN39 | PA | |
| 215-443 | VERIZON PENNSYLVANIA, INC. | 9208 | PHPHSBZN39 | PA | |
| 215-444 | VERIZON PENNSYLVANIA, INC. | 9208 | PHPHSBZN39 | PA | |
| 215-446 | TELEPORT COMMUNICATIONS AMERICA, LLC - PA | 7309 | PHLDLPHZN1 | PA | |
| 215-447 | TELEPORT COMMUNICATIONS AMERICA, LLC - PA | 7309 | PHPHSBZN41 | PA | |
| 215-448 | VERIZON PENNSYLVANIA, INC. | 9208 | PHLDLPHZN1 | PA | |
| 215-449 | MCIMETRO ACCESS TRANSMISSION SERVICES LLC | 7229 | PHPHSBZN38 | 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.