NumberResearchRecent prefix assignments
366 prefixes assigned in the last 30 days · from the daily NANPA CO code file, 09/18/2026
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
Sep 2026
Aug 2026
Jul 2026
Jun 2026
May 2026
Apr 2026
Mar 2026
Feb 2026
Jan 2026
Dec 2025
Nov 2025
Oct 2025
| Assigned | NPA-NXX | Assignee | OCN | Rate center | State |
|---|---|---|---|---|---|
| 201-543 | MCIMETRO ACCESS TRANSMISSION SERVICES LLC | 7229 | HACKENSACK | NJ | |
| 201-545 | SPOK, INC. | 6630 | CLIFFSIDE | NJ | |
| 201-547 | VERIZON NEW JERSEY, INC. | 9206 | JERSEYCITY | NJ | |
| 201-548 | MCIMETRO ACCESS TRANSMISSION SERVICES LLC | 7229 | LEONIA | NJ | |
| 201-549 | MCIMETRO ACCESS TRANSMISSION SERVICES LLC | 7229 | RUTHERFORD | NJ | |
| 201-550 | VERIZON NEW JERSEY, INC. | 9206 | XXXXXXXXXX | NJ | |
| 201-553 | VERIZON NEW JERSEY, INC. | 9206 | UNION CITY | NJ | |
| 201-555 | MULTIPLE OCN LISTING | MULT | DIR ASST | NJ | |
| 201-556 | VERIZON NEW JERSEY, INC. | 9206 | HACKENSACK | NJ | |
| 201-557 | VERIZON NEW JERSEY, INC. | 9206 | JERSEYCITY | NJ | |
| 201-558 | VERIZON NEW JERSEY, INC. | 9206 | UNION CITY | NJ | |
| 201-559 | MCIMETRO ACCESS TRANSMISSION SERVICES LLC | 7229 | RUTHERFORD | NJ | |
| 201-560 | VERIZON NEW JERSEY, INC. | 9206 | WYCKOFF | NJ | |
| 201-562 | MONMOUTH TELEPHONE AND TELEGRAPH, INC. - NJ | 3639 | HACKENSACK | NJ | |
| 201-563 | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - NJ | 6391 | NEWARK | NJ | |
| 201-564 | PAETEC ITEL, LLC | 829J | CLOSTER | NJ | |
| 201-567 | VERIZON NEW JERSEY, INC. | 9206 | ENGLEWOOD | NJ | |
| 201-568 | VERIZON NEW JERSEY, INC. | 9206 | ENGLEWOOD | NJ | |
| 201-569 | VERIZON NEW JERSEY, INC. | 9206 | ENGLEWOOD | NJ | |
| 201-570 | SPOK, INC. | 6630 | HACKENSACK | NJ | |
| 201-571 | MCIMETRO ACCESS TRANSMISSION SERVICES LLC | 7229 | PARK RIDGE | NJ | |
| 201-572 | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - NJ | 6391 | MORRISTOWN | NJ | |
| 201-573 | VERIZON NEW JERSEY, INC. | 9206 | PARK RIDGE | NJ | |
| 201-574 | MCIMETRO ACCESS TRANSMISSION SERVICES LLC | 7229 | RAMSEY | NJ | |
| 201-575 | LEVEL 3 COMMUNICATIONS, LLC - NJ | 4804 | HACKENSACK | NJ | |
| 201-576 | VERIZON NEW JERSEY, INC. | 9206 | ORADELL | NJ | |
| 201-577 | LEVEL 3 TELECOM OF NEW JERSEY, LP - NJ | 2771 | JERSEYCITY | NJ | |
| 201-579 | PAETEC ITEL, LLC | 829J | CRAGMERE | NJ | |
| 201-581 | PEERLESS NETWORK OF NEW JERSEY, LLC - NJ | 264F | OAKLAND | NJ | |
| 201-582 | TELEPORT COMMUNICATIONS AMERICA, LLC - NJ | 7142 | LEONIA | NJ | |
| 201-583 | VERIZON NEW JERSEY, INC. | 9206 | UNION CITY | NJ | |
| 201-584 | PEERLESS NETWORK OF NEW JERSEY, LLC - NJ | 264F | HACKENSACK | NJ | |
| 201-585 | VERIZON NEW JERSEY, INC. | 9206 | LEONIA | NJ | |
| 201-586 | PEERLESS NETWORK OF NEW JERSEY, LLC - NJ | 264F | ENGLEWOOD | NJ | |
| 201-587 | VERIZON NEW JERSEY, INC. | 9206 | HACKENSACK | NJ | |
| 201-589 | OMNIPOINT COMMUNICATIONS, INC. - NJ | 6623 | JERSEYCITY | NJ | |
| 201-590 | TELEPORT COMMUNICATIONS AMERICA, LLC - NJ | 7142 | UNION CITY | NJ | |
| 201-591 | MCIMETRO ACCESS TRANSMISSION SERVICES LLC | 7229 | TEANECK | NJ | |
| 201-592 | VERIZON NEW JERSEY, INC. | 9206 | LEONIA | NJ | |
| 201-593 | VERIZON NEW JERSEY, INC. | 9206 | JERSEYCITY | NJ | |
| 201-594 | VERIZON NEW JERSEY, INC. | 9206 | WESTWOOD | NJ | |
| 201-595 | VERIZON NEW JERSEY, INC. | 9206 | JERSEYCITY | NJ | |
| 201-596 | MCIMETRO ACCESS TRANSMISSION SERVICES LLC | 7229 | HASBROKHTS | NJ | |
| 201-597 | ONVOY, LLC - NJ | 637C | ORADELL | NJ | |
| 201-599 | VERIZON NEW JERSEY, INC. | 9206 | ORADELL | NJ | |
| 201-600 | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - NJ | 6391 | JERSEYCITY | NJ | |
| 201-601 | VERIZON NEW JERSEY, INC. | 9206 | UNION CITY | NJ | |
| 201-602 | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - NJ | 6391 | MORRISTOWN | NJ | |
| 201-603 | MCIMETRO ACCESS TRANSMISSION SERVICES LLC | 7229 | BAYONNE | NJ | |
| 201-604 | MCIMETRO ACCESS TRANSMISSION SERVICES LLC | 7229 | JERSEYCITY | NJ |
Source: NANPA CO Code Assignments (Utilized, All States, Public), file date 09/18/2026 — Tier A primary source, refreshed on every import. Viewing is free; bulk downloads require a membership.