NumberResearchRecent prefix assignments
380 prefixes assigned in the last 30 days · from the daily NANPA CO code file, 2026-04
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 |
|---|---|---|---|---|---|
| 973-329 | PAETEC ITEL, LLC | 829J | BLOOMFIELD | NJ | |
| 973-330 | MCIMETRO ACCESS TRANSMISSION SERVICES LLC | 7229 | PASSAIC | NJ | |
| 973-331 | VERIZON NEW JERSEY, INC. | 9206 | BOONTON | NJ | |
| 973-332 | METROPCS, INC. | 5562 | NEWARK | NJ | |
| 973-334 | VERIZON NEW JERSEY, INC. | 9206 | BOONTON | NJ | |
| 973-335 | VERIZON NEW JERSEY, INC. | 9206 | BOONTON | NJ | |
| 973-338 | VERIZON NEW JERSEY, INC. | 9206 | BLOOMFIELD | NJ | |
| 973-339 | AT&T - LOCAL | 7421 | LITTLE FLS | NJ | |
| 973-340 | VERIZON NEW JERSEY, INC. | 9206 | PASSAIC | NJ | |
| 973-341 | AT&T - LOCAL | 7421 | PATERSON | NJ | |
| 973-343 | PAETEC ITEL, LLC | 829J | DOVER | NJ | |
| 973-344 | VERIZON NEW JERSEY, INC. | 9206 | NEWARK | NJ | |
| 973-345 | VERIZON NEW JERSEY, INC. | 9206 | PATERSON | NJ | |
| 973-346 | ONVOY, LLC - NJ | 637C | MILLBURN | NJ | |
| 973-347 | VERIZON NEW JERSEY, INC. | 9206 | NETCONG | NJ | |
| 973-348 | AT&T - LOCAL | 7421 | BERNARDSVL | NJ | |
| 973-349 | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - NJ | 6391 | MORRISTOWN | NJ | |
| 973-350 | VERIZON NEW JERSEY, INC. | 9206 | NEWARK | NJ | |
| 973-351 | VERIZON NEW JERSEY, INC. | 9206 | NEWARK | NJ | |
| 973-353 | VERIZON NEW JERSEY, INC. | 9206 | NEWARK | NJ | |
| 973-354 | LEVEL 3 COMMUNICATIONS, LLC - NJ | 4804 | BELLEVILLE | NJ | |
| 973-355 | AT&T - LOCAL | 7421 | MORRISTOWN | NJ | |
| 973-356 | NEW CINGULAR WIRELESS PCS, LLC - DC | 4036 | PASSAIC | NJ | |
| 973-357 | VERIZON NEW JERSEY, INC. | 9206 | PATERSON | NJ | |
| 973-358 | LEVEL 3 COMMUNICATIONS, LLC - NJ | 4804 | ERSKINELKS | NJ | |
| 973-359 | VERIZON NEW JERSEY, INC. | 9206 | MORRISTOWN | NJ | |
| 973-360 | VERIZON NEW JERSEY, INC. | 9206 | MADISON | NJ | |
| 973-361 | VERIZON NEW JERSEY, INC. | 9206 | DOVER | NJ | |
| 973-363 | LEVEL 3 COMMUNICATIONS, LLC - NJ | 4804 | HAWTHORNE | NJ | |
| 973-364 | VERIZON NEW JERSEY, INC. | 9206 | CALDWELL | NJ | |
| 973-365 | VERIZON NEW JERSEY, INC. | 9206 | PASSAIC | NJ | |
| 973-366 | VERIZON NEW JERSEY, INC. | 9206 | DOVER | NJ | |
| 973-367 | VERIZON NEW JERSEY, INC. | 9206 | NEWARK | NJ | |
| 973-368 | TELEPORT COMMUNICATIONS AMERICA, LLC - NJ | 7142 | NEWARK | NJ | |
| 973-369 | LEVEL 3 COMMUNICATIONS, LLC - NJ | 4804 | LIVINGSTON | NJ | |
| 973-370 | LEVEL 3 COMMUNICATIONS, LLC - NJ | 4804 | MENDHAM | NJ | |
| 973-371 | VERIZON NEW JERSEY, INC. | 9206 | NEWARK | NJ | |
| 973-372 | VERIZON NEW JERSEY, INC. | 9206 | NEWARK | NJ | |
| 973-373 | VERIZON NEW JERSEY, INC. | 9206 | NEWARK | NJ | |
| 973-374 | VERIZON NEW JERSEY, INC. | 9206 | NEWARK | NJ | |
| 973-375 | VERIZON NEW JERSEY, INC. | 9206 | NEWARK | NJ | |
| 973-376 | VERIZON NEW JERSEY, INC. | 9206 | MILLBURN | NJ | |
| 973-377 | VERIZON NEW JERSEY, INC. | 9206 | MADISON | NJ | |
| 973-378 | VERIZON NEW JERSEY, INC. | 9206 | SO ORANGE | NJ | |
| 973-379 | VERIZON NEW JERSEY, INC. | 9206 | MILLBURN | NJ | |
| 973-380 | LEVEL 3 COMMUNICATIONS, LLC - NJ | 4804 | ORANGE | NJ | |
| 973-382 | LEVEL 3 COMMUNICATIONS, LLC - NJ | 4804 | SO ORANGE | NJ | |
| 973-383 | BRIGHTSPEED OF NEW JERSEY, INC. | 0138 | NEWTON | NJ | |
| 973-384 | TELEPORT COMMUNICATIONS AMERICA, LLC - NJ | 7142 | DOVER | NJ | |
| 973-385 | VERIZON NEW JERSEY, INC. | 9206 | MORRISTOWN | NJ |
Source: NANPA CO Code Assignments (Utilized, All States, Public), file date 2026-04 — Tier A primary source, refreshed on every import. Viewing is free; bulk downloads require a membership.