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
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| Assigned | NPA-NXX | Assignee | OCN | Rate center | State |
|---|---|---|---|---|---|
| 215-615 | VERIZON PENNSYLVANIA, INC. | 9208 | PHLDLPHZN2 | PA | |
| 215-616 | VERIZON PENNSYLVANIA, INC. | 9208 | NORTHWALES | PA | |
| 215-618 | VERIZON PENNSYLVANIA, INC. | 9208 | PHLDLPHZN4 | PA | |
| 215-619 | VERIZON PENNSYLVANIA, INC. | 9208 | PHPHSBZN33 | PA | |
| 215-620 | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - PA | 6392 | PHLDLPHZN2 | PA | |
| 215-621 | VERIZON PENNSYLVANIA, INC. | 9208 | PHLDLPHZN3 | PA | |
| 215-622 | MCIMETRO ACCESS TRANSMISSION SERVICES LLC | 7229 | DOYLESTOWN | PA | |
| 215-623 | MCIMETRO ACCESS TRANSMISSION SERVICES LLC | 7229 | PHPHSBZN34 | PA | |
| 215-624 | VERIZON PENNSYLVANIA, INC. | 9208 | PHLDLPHZN4 | PA | |
| 215-625 | VERIZON PENNSYLVANIA, INC. | 9208 | PHLDLPHZN1 | PA | |
| 215-627 | VERIZON PENNSYLVANIA, INC. | 9208 | PHLDLPHZN1 | PA | |
| 215-628 | VERIZON PENNSYLVANIA, INC. | 9208 | PHPHSBZN33 | PA | |
| 215-629 | VERIZON PENNSYLVANIA, INC. | 9208 | PHLDLPHZN1 | PA | |
| 215-630 | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - PA | 6392 | PHPHSBZN43 | PA | |
| 215-631 | VERIZON PENNSYLVANIA, INC. | 9208 | LANSDALE | PA | |
| 215-632 | VERIZON PENNSYLVANIA, INC. | 9208 | PHLDLPHZN4 | PA | |
| 215-633 | VERIZON PENNSYLVANIA, INC. | 9208 | PHPHSBZN41 | PA | |
| 215-634 | VERIZON PENNSYLVANIA, INC. | 9208 | PHLDLPHZN1 | PA | |
| 215-635 | VERIZON PENNSYLVANIA, INC. | 9208 | PHPHSBZN34 | PA | |
| 215-636 | VERIZON PENNSYLVANIA, INC. | 9208 | PHLDLPHZN1 | PA | |
| 215-637 | VERIZON PENNSYLVANIA, INC. | 9208 | PHLDLPHZN4 | PA | |
| 215-638 | VERIZON PENNSYLVANIA, INC. | 9208 | PHPHSBZN41 | PA | |
| 215-639 | VERIZON PENNSYLVANIA, INC. | 9208 | PHPHSBZN41 | PA | |
| 215-640 | VERIZON PENNSYLVANIA, INC. | 9208 | PHLDLPHZN1 | PA | |
| 215-641 | VERIZON PENNSYLVANIA, INC. | 9208 | PHPHSBZN33 | PA | |
| 215-642 | PAETEC ITEL, LLC | 829J | PHPHSBZN41 | PA | |
| 215-643 | VERIZON PENNSYLVANIA, INC. | 9208 | PHPHSBZN33 | PA | |
| 215-644 | VERIZON PENNSYLVANIA, INC. | 9208 | PHLDLPHZN1 | PA | |
| 215-645 | MCIMETRO ACCESS TRANSMISSION SERVICES LLC | 7229 | PHPHSBZN41 | PA | |
| 215-646 | VERIZON PENNSYLVANIA, INC. | 9208 | PHPHSBZN33 | PA | |
| 215-647 | MCIMETRO ACCESS TRANSMISSION SERVICES LLC | 7229 | LANSDALE | PA | |
| 215-648 | MCIMETRO ACCESS TRANSMISSION SERVICES LLC - PA | 7434 | PHPHSBZN33 | PA | |
| 215-649 | MCIMETRO ACCESS TRANSMISSION SERVICES LLC - PA | 7434 | PHPHSBZN34 | PA | |
| 215-650 | MCIMETRO ACCESS TRANSMISSION SERVICES LLC - PA | 7434 | PHPHSBZN41 | PA | |
| 215-651 | METROPCS, INC. | 5562 | PHLDLPHZN1 | PA | |
| 215-652 | VERIZON PENNSYLVANIA, INC. | 9208 | NORTHWALES | PA | |
| 215-653 | VERIZON PENNSYLVANIA, INC. | 9208 | PHPHSBZN33 | PA | |
| 215-654 | VERIZON PENNSYLVANIA, INC. | 9208 | PHPHSBZN33 | PA | |
| 215-655 | VERIZON PENNSYLVANIA, INC. | 9208 | PHLDLPHZN1 | PA | |
| 215-656 | VERIZON PENNSYLVANIA, INC. | 9208 | PHLDLPHZN1 | PA | |
| 215-657 | VERIZON PENNSYLVANIA, INC. | 9208 | PHPHSBZN38 | PA | |
| 215-658 | VERIZON PENNSYLVANIA, INC. | 9208 | PHPHSBZN38 | PA | |
| 215-659 | VERIZON PENNSYLVANIA, INC. | 9208 | PHPHSBZN38 | PA | |
| 215-660 | MCIMETRO ACCESS TRANSMISSION SERVICES LLC | 7229 | SOUDERTON | PA | |
| 215-661 | VERIZON PENNSYLVANIA, INC. | 9208 | NORTHWALES | PA | |
| 215-662 | VERIZON PENNSYLVANIA, INC. | 9208 | PHLDLPHZN2 | PA | |
| 215-663 | VERIZON PENNSYLVANIA, INC. | 9208 | PHPHSBZN34 | PA | |
| 215-664 | VERIZON PENNSYLVANIA, INC. | 9208 | PHPHSBZN33 | PA | |
| 215-665 | VERIZON PENNSYLVANIA, INC. | 9208 | PHLDLPHZN1 | PA | |
| 215-668 | METROPCS, INC. | 5562 | PHLDLPHZN1 | 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.