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 |
|---|---|---|---|---|---|
| 215-502 | VERIZON PENNSYLVANIA, INC. | 9208 | PHLDLPHZN2 | PA | |
| 215-503 | VERIZON PENNSYLVANIA, INC. | 9208 | PHLDLPHZN1 | PA | |
| 215-504 | VERIZON PENNSYLVANIA, INC. | 9208 | NEWTOWN | PA | |
| 215-505 | SPOK, INC. | 6630 | PHLDLPHZN1 | PA | |
| 215-506 | SPOK, INC. | 6630 | PHLDLPHZN1 | PA | |
| 215-508 | VERIZON PENNSYLVANIA, INC. | 9208 | PHLDLPHZN3 | PA | |
| 215-509 | VERIZON PENNSYLVANIA, INC. | 9208 | PHLDLPHZN3 | PA | |
| 215-511 | MULTIPLE OCN LISTING | MULT | XXXXXXXXXX | PA | |
| 215-512 | NEW CINGULAR WIRELESS PCS, LLC - DC | 4036 | PHPHSBZN33 | PA | |
| 215-513 | VERIZON PENNSYLVANIA, INC. | 9208 | HARLEYSVL | PA | |
| 215-514 | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - PA | 6392 | PHLDLPHZN2 | PA | |
| 215-516 | VERIZON PENNSYLVANIA, INC. | 9208 | PHLDLPHZN4 | PA | |
| 215-517 | VERIZON PENNSYLVANIA, INC. | 9208 | PHPHSBZN34 | PA | |
| 215-518 | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - PA | 6392 | PHLDLPHZN2 | PA | |
| 215-519 | NEW CINGULAR WIRELESS PCS, LLC - DC | 4036 | PHLDLPHZN1 | PA | |
| 215-520 | VERIZON PENNSYLVANIA, INC. | 9208 | PHLDLPHZN1 | PA | |
| 215-521 | VERIZON PENNSYLVANIA, INC. | 9208 | PHLDLPHZN1 | PA | |
| 215-522 | SPOK, INC. | 6630 | PHPHSBZN38 | PA | |
| 215-523 | VERIZON PENNSYLVANIA, INC. | 9208 | PHLDLPHZN1 | PA | |
| 215-524 | SPOK, INC. | 6630 | PHLDLPHZN1 | PA | |
| 215-525 | LEVEL 3 COMMUNICATIONS, LLC - PA | 4007 | PHLDLPHZN1 | PA | |
| 215-526 | PAETEC ITEL, LLC | 829J | PHPHSBZN40 | PA | |
| 215-527 | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - PA | 6392 | LANSDALE | PA | |
| 215-528 | VERIZON PENNSYLVANIA, INC. | 9208 | PHLDLPHZN2 | PA | |
| 215-529 | VERIZON PENNSYLVANIA, INC. | 9208 | QUAKERTOWN | PA | |
| 215-530 | NEW CINGULAR WIRELESS PCS, LLC - DC | 4036 | PHPHSBZN33 | PA | |
| 215-533 | VERIZON PENNSYLVANIA, INC. | 9208 | PHLDLPHZN4 | PA | |
| 215-534 | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - PA | 6392 | DOYLESTOWN | PA | |
| 215-535 | VERIZON PENNSYLVANIA, INC. | 9208 | PHLDLPHZN4 | PA | |
| 215-536 | VERIZON PENNSYLVANIA, INC. | 9208 | QUAKERTOWN | PA | |
| 215-537 | VERIZON PENNSYLVANIA, INC. | 9208 | PHLDLPHZN4 | PA | |
| 215-538 | VERIZON PENNSYLVANIA, INC. | 9208 | QUAKERTOWN | PA | |
| 215-539 | LEVEL 3 COMMUNICATIONS, LLC - PA | 4007 | PHPHSBZN43 | PA | |
| 215-540 | VERIZON PENNSYLVANIA, INC. | 9208 | PHPHSBZN33 | PA | |
| 215-541 | VERIZON PENNSYLVANIA, INC. | 9208 | PENNSBURG | PA | |
| 215-542 | VERIZON PENNSYLVANIA, INC. | 9208 | PHPHSBZN33 | PA | |
| 215-543 | VERIZON PENNSYLVANIA, INC. | 9208 | PHLDLPHZN4 | PA | |
| 215-544 | LEVEL 3 COMMUNICATIONS, LLC - PA | 4007 | PHPHSBZN37 | PA | |
| 215-545 | VERIZON PENNSYLVANIA, INC. | 9208 | PHLDLPHZN1 | PA | |
| 215-546 | VERIZON PENNSYLVANIA, INC. | 9208 | PHLDLPHZN1 | PA | |
| 215-547 | VERIZON PENNSYLVANIA, INC. | 9208 | PHPHSBZN44 | PA | |
| 215-548 | VERIZON PENNSYLVANIA, INC. | 9208 | PHLDLPHZN3 | PA | |
| 215-549 | VERIZON PENNSYLVANIA, INC. | 9208 | PHLDLPHZN3 | PA | |
| 215-551 | VERIZON PENNSYLVANIA, INC. | 9208 | PHLDLPHZN1 | PA | |
| 215-552 | VERIZON PENNSYLVANIA, INC. | 9208 | PHLDLPHZN4 | PA | |
| 215-553 | VERIZON PENNSYLVANIA, INC. | 9208 | PHLDLPHZN1 | PA | |
| 215-554 | MCIMETRO ACCESS TRANSMISSION SERVICES LLC | 7229 | PHLDLPHZN4 | PA | |
| 215-555 | MULTIPLE OCN LISTING | MULT | DIR ASST | PA | |
| 215-557 | VERIZON PENNSYLVANIA, INC. | 9208 | PHLDLPHZN1 | PA | |
| 215-559 | NEW CINGULAR WIRELESS PCS, LLC - DC | 4036 | PHPHSBZN33 | 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.