NumberResearchRecent prefix assignments
369 prefixes assigned in the last 30 days · from the daily NANPA CO code file, 09/18/2026
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 |
|---|---|---|---|---|---|
| 2025-09-08 | 984-405 | NEW CINGULAR WIRELESS PCS, LLC - GA | 6214 | BENSON | NC |
| 2025-09-08 | 989-536 | NEW CINGULAR WIRELESS PCS, LLC - IL | 6534 | REESE | MI |
| 2025-09-05 | 253-430 | NEW CINGULAR WIRELESS PCS, LLC | 6010 | GIG HARBOR | WA |
| 2025-09-05 | 269-478 | NEW CINGULAR WIRELESS PCS, LLC - IL | 6534 | KALAMAZOO | MI |
| 2025-09-05 | 313-857 | NEW CINGULAR WIRELESS PCS, LLC - IL | 6534 | DETROITZN6 | MI |
| 2025-09-05 | 346-889 | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - TX | 6506 | LANGHAMCRK | TX |
| 2025-09-05 | 463-330 | NEW CINGULAR WIRELESS PCS, LLC - IL | 6534 | INDIANAPLS | IN |
| 2025-09-05 | 573-277 | NEW CINGULAR WIRELESS PCS, LLC - IL | 6534 | FULTON | MO |
| 2025-09-05 | 575-348 | TDS BROADBAND SERVICE LLC | 641H | ALAMOGORDO | NM |
| 2025-09-05 | 835-275 | NEW CINGULAR WIRELESS PCS, LLC - DC | 4036 | PHPHSBZN10 | PA |
| 2025-09-05 | 847-661 | NEW CINGULAR WIRELESS PCS, LLC - IL | 6534 | WAUKEGAN | IL |
| 2025-09-04 | 213-885 | ONVOY SPECTRUM, LLC | 624H | MONTEBELLO | CA |
| 2025-09-04 | 213-960 | ONVOY SPECTRUM, LLC | 624H | LSAN DA 01 | CA |
| 2025-09-04 | 213-967 | ONVOY SPECTRUM, LLC | 624H | LSAN DA 03 | CA |
| 2025-09-04 | 213-979 | ONVOY SPECTRUM, LLC | 624H | LSAN DA 06 | CA |
| 2025-09-04 | 213-981 | ONVOY SPECTRUM, LLC | 624H | LSAN DA 02 | CA |
| 2025-09-04 | 220-285 | NEW CINGULAR WIRELESS PCS, LLC - IL | 6534 | LONDON | OH |
| 2025-09-04 | 302-706 | BOOST SUBSCRIBERCO L.L.C. | 490J | LAUREL | DE |
| 2025-09-04 | 319-554 | T-MOBILE USA, INC. | 6529 | BRIGHTON | IA |
| 2025-09-04 | 346-887 | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - TX | 6506 | HOUSTON | TX |
| 2025-09-04 | 350-251 | NEW CINGULAR WIRELESS PCS, LLC | 6010 | OAKDALE | CA |
| 2025-09-04 | 363-215 | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - NY | 6959 | NASSAUZN05 | NY |
| 2025-09-04 | 440-921 | NEW CINGULAR WIRELESS PCS, LLC - IL | 6534 | LORAIN | OH |
| 2025-09-04 | 571-736 | ONVOY, LLC - VA | 138E | WSNGTNZN17 | VA |
| 2025-09-04 | 620-721 | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - KS | 6532 | ASHLAND | KS |
| 2025-09-04 | 657-828 | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA | 6006 | HUNTITNBCH | CA |
| 2025-09-04 | 657-829 | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA | 6006 | ANAHEIM | CA |
| 2025-09-04 | 667-527 | BOOST SUBSCRIBERCO L.L.C. | 490J | GLENBURNIE | MD |
| 2025-09-04 | 831-339 | NEW CINGULAR WIRELESS PCS, LLC | 6010 | GONZALES | CA |
| 2025-09-04 | 931-460 | ONVOY, LLC - TN | 525E | COLUMBIA | TN |
| 2025-09-04 | 945-401 | NEW CINGULAR WIRELESS PCS, LLC - IL | 6534 | MCKINNEY | TX |
| 2025-09-04 | 949-869 | NEW CINGULAR WIRELESS PCS, LLC | 6010 | IRVINE | CA |
| 2025-09-04 | 971-521 | ONVOY, LLC - OR | 750E | PORTLAND | OR |
| 2025-09-03 | 308-855 | ALLO COMMUNICATIONS LLC | 907K | SCOTSBLUFF | NE |
| 2025-09-03 | 319-510 | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IA | 6570 | BURLINGTON | IA |
| 2025-09-03 | 346-886 | ONVOY, LLC - TX | 903C | RICHMNRNBG | TX |
| 2025-09-03 | 352-879 | ONVOY, LLC - FL | 937C | INVERNESS | FL |
| 2025-09-03 | 363-214 | SHELCOMM | 0051 | NASSAUZN01 | NY |
| 2025-09-03 | 424-560 | ONVOY, LLC - CA | 649C | CMTN GRDN | CA |
| 2025-09-03 | 531-795 | ALLO COMMUNICATIONS LLC | 907K | LINCOLN | NE |
| 2025-09-03 | 531-985 | ALLO COMMUNICATIONS LLC | 907K | OMAHA | NE |
| 2025-09-03 | 551-428 | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - NJ | 6391 | JERSEYCITY | NJ |
| 2025-09-03 | 557-240 | TELEPORT COMMUNICATIONS AMERICA, LLC - MO | 7218 | LADUE | MO |
| 2025-09-03 | 573-274 | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MO | 5814 | POTOSI | MO |
| 2025-09-03 | 602-895 | BOOST SUBSCRIBERCO L.L.C. | 490J | PHOENIX | AZ |
| 2025-09-03 | 628-327 | ONVOY, LLC - CA | 649C | SAN RAFAEL | CA |
| 2025-09-03 | 631-280 | SHELCOMM | 0051 | WESTHAMPTN | NY |
| 2025-09-03 | 661-683 | ONVOY, LLC - CA | 649C | LANCASTER | CA |
| 2025-09-03 | 667-528 | OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC | 6855 | ABERDEEN | MD |
| 2025-09-03 | 669-370 | ONVOY, LLC - CA | 649C | MORGANHILL | CA |
Source: NANPA CO Code Assignments (Utilized, All States, Public), file date 09/18/2026 — Tier A primary source, refreshed on every import. Viewing is free; bulk downloads require a membership.