Recent prefix assignments
355 prefixes assigned in the last 30 days · from the daily NANPA CO code file, 09/17/2026
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.
Most active assignees, last 30 days
8X8, INC.
37
ONVOY, LLC - CA
35
NEW CINGULAR WIRELESS PCS, LLC - IL
33
NEW CINGULAR WIRELESS PCS, LLC - DC
27
ONVOY, LLC - TX
18
| Assigned | NPA-NXX | Assignee | OCN | Rate center | State |
|---|---|---|---|---|---|
| 2001-02-14 | 484-230 | VERIZON PENNSYLVANIA, INC. | 9208 | PHPHSBZN30 | PA |
| 2001-02-14 | 508-963 | METROPCS, INC. | 5562 | WORCESTER | MA |
| 2001-02-14 | 508-989 | METROPCS, INC. | 5562 | FALL RIVER | MA |
| 2001-02-14 | 515-205 | UNITED STATES CELLULAR - IA | 6266 | DES MOINES | IA |
| 2001-02-14 | 515-641 | QWEST CORPORATION | 9631 | DES MOINES | IA |
| 2001-02-14 | 603-219 | OMNIPOINT MIAMI E LICENSE, LLC | 6889 | CONCORD | NH |
| 2001-02-14 | 605-207 | NEW CINGULAR WIRELESS PCS, LLC - IL | 6534 | PLATTE | SD |
| 2001-02-14 | 606-215 | POWERTEL KENTUCKY LICENSES, INC. | 365C | CORBIN | KY |
| 2001-02-14 | 608-358 | NEW CINGULAR WIRELESS PCS, LLC - IL | 6534 | MADISON | WI |
| 2001-02-14 | 608-436 | NEW CINGULAR WIRELESS PCS, LLC - IL | 6534 | JANESVILLE | WI |
| 2001-02-14 | 617-201 | OMNIPOINT MIAMI E LICENSE, LLC | 6889 | CAMBRIDGE | MA |
| 2001-02-14 | 617-251 | OMNIPOINT MIAMI E LICENSE, LLC | 6889 | CAMBRIDGE | MA |
| 2001-02-14 | 617-270 | METROPCS, INC. | 5562 | CHELSEA | MA |
| 2001-02-14 | 617-271 | METROPCS, INC. | 5562 | EASTBOSTON | MA |
| 2001-02-14 | 623-202 | T-MOBILE USA, INC. | 6529 | PHOENIX | AZ |
| 2001-02-14 | 630-688 | T-MOBILE USA, INC. | 6529 | ELMHURST | IL |
| 2001-02-14 | 630-733 | TELEPORT COMMUNICATIONS AMERICA, LLC - IL | 7136 | BIG ROCK | IL |
| 2001-02-14 | 630-934 | AT&T ENTERPRISES, LLC | 516C | ELBURN | IL |
| 2001-02-14 | 631-680 | NEW CINGULAR WIRELESS PCS, LLC - DC | 4036 | RIVERHEAD | NY |
| 2001-02-14 | 631-988 | NEW CINGULAR WIRELESS PCS, LLC - DC | 4036 | HUNTINGTON | NY |
| 2001-02-14 | 641-202 | UNITED STATES CELLULAR - IA | 6266 | CRESTON | IA |
| 2001-02-14 | 641-203 | UNITED STATES CELLULAR - IA | 6266 | CHARITON | IA |
| 2001-02-14 | 701-208 | NEW CINGULAR WIRELESS PCS, LLC - IL | 6534 | RUGBY | ND |
| 2001-02-14 | 732-226 | LEVEL 3 COMMUNICATIONS, LLC - NJ | 4804 | KEYPORT | NJ |
| 2001-02-14 | 763-293 | QWEST CORPORATION | 9631 | TWINCITIES | MN |
| 2001-02-14 | 773-507 | T-MOBILE USA, INC. | 6529 | CHICGOZN03 | IL |
| 2001-02-14 | 832-514 | LEVEL 3 COMMUNICATIONS, LLC - TX | 6114 | BAYTOWN | TX |
| 2001-02-14 | 832-769 | LEVEL 3 COMMUNICATIONS, LLC - TX | 6114 | DICKINSON | TX |
| 2001-02-14 | 913-709 | AERIAL COMMUNICATIONS, INC. | 6701 | KANSASCITY | KS |
| 2001-02-14 | 913-710 | AERIAL COMMUNICATIONS, INC. | 6701 | KANSASCITY | KS |
| 2001-02-14 | 920-216 | NEW CINGULAR WIRELESS PCS, LLC - IL | 6534 | OSHKOSH | WI |
| 2001-02-14 | 920-540 | NEW CINGULAR WIRELESS PCS, LLC - IL | 6534 | APPLETON | WI |
| 2001-02-14 | 920-819 | NEW CINGULAR WIRELESS PCS, LLC - IL | 6534 | GREEN BAY | WI |
| 2001-02-13 | 240-404 | MCIMETRO ACCESS TRANSMISSION SERVICES LLC | 7229 | GAITHERSBG | MD |
| 2001-02-13 | 240-489 | MCIMETRO ACCESS TRANSMISSION SERVICES LLC | 7229 | POOLESVL | MD |
| 2001-02-13 | 240-523 | MCIMETRO ACCESS TRANSMISSION SERVICES LLC | 7229 | LA PLATA | MD |
| 2001-02-13 | 240-538 | MCIMETRO ACCESS TRANSMISSION SERVICES LLC | 7229 | LEONARDTN | MD |
| 2001-02-13 | 240-652 | MCIMETRO ACCESS TRANSMISSION SERVICES LLC | 7229 | MECHANCSVL | MD |
| 2001-02-13 | 240-718 | MCIMETRO ACCESS TRANSMISSION SERVICES LLC | 7229 | LXTNPKGRML | MD |
| 2001-02-13 | 240-823 | MCIMETRO ACCESS TRANSMISSION SERVICES LLC | 7229 | BRANDYWINE | MD |
| 2001-02-13 | 240-837 | MCIMETRO ACCESS TRANSMISSION SERVICES LLC | 7229 | HUGHESVL | MD |
| 2001-02-13 | 240-993 | MCIMETRO ACCESS TRANSMISSION SERVICES LLC | 7229 | INDIANHEAD | MD |
| 2001-02-13 | 253-217 | T-MOBILE USA, INC. | 6529 | AUBURN | WA |
| 2001-02-13 | 662-210 | CELLULAR SOUTH, INC. | 6581 | BOONEVILLE | MS |
| 2001-02-13 | 716-402 | LEVEL 3 COMMUNICATIONS, LLC - NY | 4006 | NIAGARAFLS | NY |
| 2001-02-13 | 845-536 | OMNIPOINT COMMUNICATIONS, INC. - NY | 6622 | NANUET | NY |
| 2001-02-13 | 919-294 | TELEPORT COMMUNICATIONS AMERICA, LLC - NC | 8389 | DURHAM | NC |
| 2001-02-13 | 919-697 | SUNCOM DBA T-MOBILE USA | 8645 | DURHAM | NC |
| 2001-02-13 | 970-239 | LEVEL 3 COMMUNICATIONS, LLC - CO | 6118 | TELLURIDE | CO |
| 2001-02-12 | 218-331 | PAETEC ITEL, LLC | 829J | MOORHEAD | MN |
Source: NANPA CO Code Assignments (Utilized, All States, Public), file date 09/17/2026 — Tier A primary source, refreshed on every import. Viewing is free; bulk downloads require a membership.