NumberResearchRecent prefix assignments
355 prefixes assigned in the last 30 days · from the daily NANPA CO code file, 09/19/2026
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 |
|---|---|---|---|---|---|
| 2002-04-04 | 509-563 | LEVEL 3 COMMUNICATIONS, LLC - WA | 6121 | COLVILLE | WA |
| 2002-04-04 | 509-566 | LEVEL 3 COMMUNICATIONS, LLC - WA | 6121 | POMEROY | WA |
| 2002-04-04 | 512-577 | T-MOBILE USA, INC. | 6529 | AUSTIN | TX |
| 2002-04-04 | 580-732 | NEW CINGULAR WIRELESS PCS, LLC - IL | 6534 | ALVA | OK |
| 2002-04-04 | 580-794 | NEW CINGULAR WIRELESS PCS, LLC - IL | 6534 | FAIRVIEW | OK |
| 2002-04-04 | 580-884 | NEW CINGULAR WIRELESS PCS, LLC - IL | 6534 | CHEROKEE | OK |
| 2002-04-04 | 585-503 | OMNIPOINT COMMUNICATIONS, INC. - NY | 6622 | ROCHESTER | NY |
| 2002-04-04 | 620-412 | SOUTHWESTERN BELL | 9533 | EMPORIA | KS |
| 2002-04-04 | 773-510 | T-MOBILE USA, INC. | 6529 | CHICGOZN03 | IL |
| 2002-04-04 | 812-608 | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IN | 6725 | TELL CITY | IN |
| 2002-04-04 | 812-621 | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IN | 6725 | VERSAILLES | IN |
| 2002-04-04 | 812-632 | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IN | 6725 | FORTBRANCH | IN |
| 2002-04-04 | 812-635 | TWC IP ENABLED SERVICES, LLC | 793K | PRINCETON | IN |
| 2002-04-04 | 812-641 | TWC IP ENABLED SERVICES, LLC | 793K | BOONVILLE | IN |
| 2002-04-04 | 928-224 | LEVEL 3 COMMUNICATIONS, LLC - AZ | 3285 | WINSLOW | AZ |
| 2002-04-03 | 205-447 | POWERTEL BIRMINGHAM LICENSES, INC. | 7475 | BIRMINGHAM | AL |
| 2002-04-03 | 205-478 | NEW CINGULAR WIRELESS PCS, LLC - GA | 6214 | BIRMINGHAM | AL |
| 2002-04-03 | 208-808 | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - ID | 6565 | BURLEY | ID |
| 2002-04-03 | 228-229 | NEW CINGULAR WIRELESS PCS, LLC - GA | 6214 | BILOXI | MS |
| 2002-04-03 | 256-375 | NEW CINGULAR WIRELESS PCS, LLC - GA | 6214 | TALLADEGA | AL |
| 2002-04-03 | 256-479 | POWERTEL BIRMINGHAM LICENSES, INC. | 7475 | HUNTSVILLE | AL |
| 2002-04-03 | 256-483 | NEW CINGULAR WIRELESS PCS, LLC - GA | 6214 | ROGERSVL | AL |
| 2002-04-03 | 256-585 | NEW CINGULAR WIRELESS PCS, LLC - GA | 6214 | HUNTSVILLE | AL |
| 2002-04-03 | 309-606 | LEVEL 3 COMMUNICATIONS, LLC - IL | 6115 | WYOMING | IL |
| 2002-04-03 | 309-767 | LEVEL 3 COMMUNICATIONS, LLC - IL | 6115 | KEWANEE | IL |
| 2002-04-03 | 334-669 | POWERTEL BIRMINGHAM LICENSES, INC. | 7475 | MONTGOMERY | AL |
| 2002-04-03 | 405-863 | UNITED STATES CELLULAR - OK | 6272 | OKLA CITY | OK |
| 2002-04-03 | 502-277 | TWC IP ENABLED SERVICES, LLC | 793K | ZONETON | KY |
| 2002-04-03 | 502-531 | TWC IP ENABLED SERVICES, LLC | 793K | SHEPHEDSVL | KY |
| 2002-04-03 | 502-904 | TWC IP ENABLED SERVICES, LLC | 793K | MTWASHIGTN | KY |
| 2002-04-03 | 513-795 | LEVEL 3 COMMUNICATIONS, LLC - OH | 4863 | HAMILTON | OH |
| 2002-04-03 | 515-298 | UNITED STATES CELLULAR - IA | 6266 | BOONE | IA |
| 2002-04-03 | 585-403 | OMNIPOINT COMMUNICATIONS, INC. - NY | 6622 | OLEAN | NY |
| 2002-04-03 | 706-589 | POWERTEL ATLANTA LICENSES, INC. | 7473 | AUGUSTA | GA |
| 2002-04-03 | 706-590 | POWERTEL ATLANTA LICENSES, INC. | 7473 | WEST POINT | GA |
| 2002-04-03 | 731-271 | LEVEL 3 COMMUNICATIONS, LLC - TN | 4806 | SO FULTON | TN |
| 2002-04-03 | 850-586 | ELISKA WIRELESS VENTURES SUBSIDIARY I, LLC | 6916 | FTWALTNBCH | FL |
| 2002-04-03 | 912-224 | POWERTEL ATLANTA LICENSES, INC. | 7473 | SAVANNAH | GA |
| 2002-04-03 | 985-233 | NEW CINGULAR WIRELESS PCS, LLC - GA | 6214 | LAPLACE | LA |
| 2002-04-02 | 248-493 | TELNET WORLDWIDE, INC. | 817J | SOUTH LYON | MI |
| 2002-04-02 | 248-899 | TELNET WORLDWIDE, INC. | 817J | ORTONVILLE | MI |
| 2002-04-02 | 248-913 | TELNET WORLDWIDE, INC. | 817J | CLARKSTON | MI |
| 2002-04-02 | 262-649 | T-MOBILE USA, INC. | 6529 | MILWAUKZN2 | WI |
| 2002-04-02 | 270-208 | LEVEL 3 COMMUNICATIONS, LLC - KY | 4369 | FULTON | KY |
| 2002-04-02 | 270-241 | LEVEL 3 COMMUNICATIONS, LLC - KY | 4369 | CAYCE | KY |
| 2002-04-02 | 270-285 | LEVEL 3 COMMUNICATIONS, LLC - KY | 4369 | MORGANFLD | KY |
| 2002-04-02 | 270-775 | LEVEL 3 COMMUNICATIONS, LLC - KY | 4369 | BEAVER DAM | KY |
| 2002-04-02 | 270-854 | LEVEL 3 COMMUNICATIONS, LLC - KY | 4369 | HENDERSON | KY |
| 2002-04-02 | 270-859 | LEVEL 3 COMMUNICATIONS, LLC - KY | 4369 | HARDINSBG | KY |
| 2002-04-02 | 270-896 | LEVEL 3 COMMUNICATIONS, LLC - KY | 4369 | PRINCETON | KY |
Source: NANPA CO Code Assignments (Utilized, All States, Public), file date 09/19/2026 — Tier A primary source, refreshed on every import. Viewing is free; bulk downloads require a membership.