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 |
|---|---|---|---|---|---|
| 973-566 | VERIZON NEW JERSEY, INC. | 9206 | BLOOMFIELD | NJ | |
| 973-568 | NEW CINGULAR WIRELESS PCS, LLC - DC | 4036 | NEWARK | NJ | |
| 973-569 | VERIZON NEW JERSEY, INC. | 9206 | PATERSON | NJ | |
| 973-570 | NEW CINGULAR WIRELESS PCS, LLC - DC | 4036 | FRANKLINBO | NJ | |
| 973-571 | VERIZON NEW JERSEY, INC. | 9206 | VERONA | NJ | |
| 973-572 | LEVEL 3 COMMUNICATIONS, LLC - NJ | 4804 | PASSAIC | NJ | |
| 973-574 | VERIZON NEW JERSEY, INC. | 9206 | PASSAIC | NJ | |
| 973-575 | VERIZON NEW JERSEY, INC. | 9206 | CALDWELL | NJ | |
| 973-576 | MCIMETRO ACCESS TRANSMISSION SERVICES LLC - NJ | 7134 | WHIPPANY | NJ | |
| 973-577 | MCIMETRO ACCESS TRANSMISSION SERVICES LLC - NJ | 7134 | LIVINGSTON | NJ | |
| 973-578 | VERIZON NEW JERSEY, INC. | 9206 | NEWARK | NJ | |
| 973-579 | BRIGHTSPEED OF NEW JERSEY, INC. | 0138 | NEWTON | NJ | |
| 973-581 | VERIZON NEW JERSEY, INC. | 9206 | WHIPPANY | NJ | |
| 973-582 | LEVEL 3 COMMUNICATIONS, LLC - NJ | 4804 | CALDWELL | NJ | |
| 973-583 | OMNIPOINT COMMUNICATIONS, INC. - NJ | 6623 | NEWARK | NJ | |
| 973-584 | VERIZON NEW JERSEY, INC. | 9206 | SUCCASUNNA | NJ | |
| 973-585 | CABLEVISION LIGHTPATH, INC. - NJ | 4948 | WHIPPANY | NJ | |
| 973-586 | VERIZON NEW JERSEY, INC. | 9206 | ROCKAWAY | NJ | |
| 973-587 | LEVEL 3 COMMUNICATIONS, LLC - NJ | 4804 | MT VIEW | NJ | |
| 973-588 | MONMOUTH TELEPHONE AND TELEGRAPH, INC. - NJ | 3639 | BOONTON | NJ | |
| 973-589 | VERIZON NEW JERSEY, INC. | 9206 | NEWARK | NJ | |
| 973-590 | LEVEL 3 COMMUNICATIONS, LLC - NJ | 4804 | MORRISTOWN | NJ | |
| 973-591 | VERIZON NEW JERSEY, INC. | 9206 | PASSAIC | NJ | |
| 973-592 | PAETEC ITEL, LLC | 829J | ORANGE | NJ | |
| 973-593 | VERIZON NEW JERSEY, INC. | 9206 | MADISON | NJ | |
| 973-594 | VERIZON NEW JERSEY, INC. | 9206 | PASSAIC | NJ | |
| 973-595 | VERIZON NEW JERSEY, INC. | 9206 | PATERSON | NJ | |
| 973-596 | VERIZON NEW JERSEY, INC. | 9206 | NEWARK | NJ | |
| 973-597 | VERIZON NEW JERSEY, INC. | 9206 | LIVINGSTON | NJ | |
| 973-598 | VERIZON NEW JERSEY, INC. | 9206 | SUCCASUNNA | NJ | |
| 973-599 | VERIZON NEW JERSEY, INC. | 9206 | WHIPPANY | NJ | |
| 973-601 | VERIZON NEW JERSEY, INC. | 9206 | HOPATCONG | NJ | |
| 973-602 | AT&T - LOCAL | 7421 | WHIPPANY | NJ | |
| 973-603 | SPOK, INC. | 6630 | NEWARK | NJ | |
| 973-604 | ONVOY, LLC - NJ | 637C | BELLEVILLE | NJ | |
| 973-605 | VERIZON NEW JERSEY, INC. | 9206 | MORRISTOWN | NJ | |
| 973-606 | VERIZON NEW JERSEY, INC. | 9206 | MORRISTOWN | NJ | |
| 973-607 | AT&T - LOCAL | 7421 | DOVER | NJ | |
| 973-608 | VERIZON NEW JERSEY, INC. | 9206 | MORRISTOWN | NJ | |
| 973-610 | NEW CINGULAR WIRELESS PCS, LLC - DC | 4036 | MORRISTOWN | NJ | |
| 973-611 | MULTIPLE OCN LISTING | MULT | XXXXXXXXXX | NJ | |
| 973-612 | AMERICAN MESSAGING SERVICES, LLC | 9748 | NEWARK | NJ | |
| 973-614 | VERIZON NEW JERSEY, INC. | 9206 | PASSAIC | NJ | |
| 973-615 | NEW CINGULAR WIRELESS PCS, LLC - DC | 4036 | MORRISTOWN | NJ | |
| 973-616 | VERIZON NEW JERSEY, INC. | 9206 | POMPTONLKS | NJ | |
| 973-617 | MCIMETRO ACCESS TRANSMISSION SERVICES LLC | 7229 | POMPTONLKS | NJ | |
| 973-618 | VERIZON NEW JERSEY, INC. | 9206 | CALDWELL | NJ | |
| 973-619 | LEVEL 3 COMMUNICATIONS, LLC - NJ | 4804 | BLOOMFIELD | NJ | |
| 973-620 | METROPCS, INC. | 5562 | DOVER | NJ | |
| 973-621 | VERIZON NEW JERSEY, INC. | 9206 | NEWARK | 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.