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 |
|---|---|---|---|---|---|
| 973-273 | VERIZON NEW JERSEY, INC. | 9206 | NEWARK | NJ | |
| 973-274 | VERIZON NEW JERSEY, INC. | 9206 | NEWARK | NJ | |
| 973-275 | VERIZON NEW JERSEY, INC. | 9206 | SO ORANGE | NJ | |
| 973-276 | VERIZON NEW JERSEY, INC. | 9206 | CALDWELL | NJ | |
| 973-278 | VERIZON NEW JERSEY, INC. | 9206 | PATERSON | NJ | |
| 973-279 | VERIZON NEW JERSEY, INC. | 9206 | PATERSON | NJ | |
| 973-281 | VERIZON NEW JERSEY, INC. | 9206 | BLOOMFIELD | NJ | |
| 973-282 | VERIZON NEW JERSEY, INC. | 9206 | NEWARK | NJ | |
| 973-283 | VERIZON NEW JERSEY, INC. | 9206 | BUTLER | NJ | |
| 973-284 | VERIZON NEW JERSEY, INC. | 9206 | NUTLEY | NJ | |
| 973-285 | VERIZON NEW JERSEY, INC. | 9206 | MORRISTOWN | NJ | |
| 973-286 | VERIZON NEW JERSEY, INC. | 9206 | NEWARK | NJ | |
| 973-287 | AT&T - LOCAL | 7421 | CALDWELL | NJ | |
| 973-288 | LEVEL 3 COMMUNICATIONS, LLC - NJ | 4804 | HOPATCONG | NJ | |
| 973-290 | VERIZON NEW JERSEY, INC. | 9206 | MORRISTOWN | NJ | |
| 973-292 | VERIZON NEW JERSEY, INC. | 9206 | MORRISTOWN | NJ | |
| 973-293 | BRIGHTSPEED OF NEW JERSEY, INC. | 0138 | MONTAGUE | NJ | |
| 973-294 | LEVEL 3 COMMUNICATIONS, LLC - NJ | 4804 | MORRISTOWN | NJ | |
| 973-295 | LEVEL 3 COMMUNICATIONS, LLC - NJ | 4804 | MADISON | NJ | |
| 973-297 | VERIZON NEW JERSEY, INC. | 9206 | NEWARK | NJ | |
| 973-298 | LEVEL 3 COMMUNICATIONS, LLC - NJ | 4804 | ROCKAWAY | NJ | |
| 973-299 | VERIZON NEW JERSEY, INC. | 9206 | BOONTON | NJ | |
| 973-300 | BRIGHTSPEED OF NEW JERSEY, INC. | 0138 | NEWTON | NJ | |
| 973-301 | VERIZON NEW JERSEY, INC. | 9206 | MADISON | NJ | |
| 973-302 | MCIMETRO ACCESS TRANSMISSION SERVICES LLC | 7229 | BELLEVILLE | NJ | |
| 973-303 | LEVEL 3 COMMUNICATIONS, LLC - NJ | 4804 | CALDWELL | NJ | |
| 973-304 | VERIZON NEW JERSEY, INC. | 9206 | HAWTHORNE | NJ | |
| 973-305 | VERIZON NEW JERSEY, INC. | 9206 | MT VIEW | NJ | |
| 973-306 | LEVEL 3 COMMUNICATIONS, LLC - NJ | 4804 | DOVER | NJ | |
| 973-307 | LEVEL 3 COMMUNICATIONS, LLC - NJ | 4804 | MADISON | NJ | |
| 973-309 | LEVEL 3 COMMUNICATIONS, LLC - NJ | 4804 | CHATHAM | NJ | |
| 973-310 | MCIMETRO ACCESS TRANSMISSION SERVICES LLC | 7229 | HAWTHORNE | NJ | |
| 973-311 | MULTIPLE OCN LISTING | MULT | XXXXXXXXXX | NJ | |
| 973-312 | VERIZON NEW JERSEY, INC. | 9206 | NEWARK | NJ | |
| 973-313 | VERIZON NEW JERSEY, INC. | 9206 | SO ORANGE | NJ | |
| 973-314 | LEVEL 3 COMMUNICATIONS, LLC - NJ | 4804 | MILLBURN | NJ | |
| 973-315 | MCIMETRO ACCESS TRANSMISSION SERVICES LLC | 7229 | MILLBURN | NJ | |
| 973-316 | VERIZON NEW JERSEY, INC. | 9206 | BOONTON | NJ | |
| 973-317 | MCIMETRO ACCESS TRANSMISSION SERVICES LLC | 7229 | MT VIEW | NJ | |
| 973-318 | VERIZON NEW JERSEY, INC. | 9206 | NEWARK | NJ | |
| 973-319 | LEVEL 3 COMMUNICATIONS, LLC - NJ | 4804 | WHIPPANY | NJ | |
| 973-320 | MCIMETRO ACCESS TRANSMISSION SERVICES LLC | 7229 | NUTLEY | NJ | |
| 973-321 | MCIMETRO ACCESS TRANSMISSION SERVICES LLC | 7229 | PATERSON | NJ | |
| 973-322 | VERIZON NEW JERSEY, INC. | 9206 | LIVINGSTON | NJ | |
| 973-323 | MCIMETRO ACCESS TRANSMISSION SERVICES LLC | 7229 | ORANGE | NJ | |
| 973-324 | VERIZON NEW JERSEY, INC. | 9206 | ORANGE | NJ | |
| 973-325 | VERIZON NEW JERSEY, INC. | 9206 | ORANGE | NJ | |
| 973-326 | VERIZON NEW JERSEY, INC. | 9206 | MORRISTOWN | NJ | |
| 973-327 | MCIMETRO ACCESS TRANSMISSION SERVICES LLC | 7229 | SO ORANGE | NJ | |
| 973-328 | VERIZON NEW JERSEY, INC. | 9206 | DOVER | 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.