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
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Jan 2026
Dec 2025
Nov 2025
Oct 2025
| Assigned | NPA-NXX | Assignee | OCN | Rate center | State |
|---|---|---|---|---|---|
| 2023-10-18 | 223-340 | D&E/OMNIPOINT WIREL JOINT VENT LP DBA PCS ONE | 6846 | COLUMBIA | PA |
| 2023-10-18 | 224-527 | NEW CINGULAR WIRELESS PCS, LLC - IL | 6534 | ELK GROVE | IL |
| 2023-10-18 | 224-528 | FIRST COMMUNICATIONS, LLC | 460K | ROSELLE | IL |
| 2023-10-18 | 279-245 | T-MOBILE USA, INC. | 6529 | FOLSOM | CA |
| 2023-10-18 | 369-213 | T-MOBILE USA, INC. | 6529 | HEALDSBURG | CA |
| 2023-10-18 | 448-232 | CALLWORKS CORPORATION | 475J | PANAMACITY | FL |
| 2023-10-18 | 448-233 | CALLWORKS CORPORATION | 475J | TALLAHASSE | FL |
| 2023-10-18 | 475-344 | COMCAST IP PHONE, LLC | 318J | BRIDGEPORT | CT |
| 2023-10-18 | 515-561 | ONVOY, LLC - IA | 221F | DES MOINES | IA |
| 2023-10-18 | 520-698 | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - AZ | 6572 | WILLCOX | AZ |
| 2023-10-18 | 561-984 | ONVOY SPECTRUM, LLC | 624H | BOYNTONBCH | FL |
| 2023-10-18 | 561-986 | ONVOY SPECTRUM, LLC | 624H | DELRAY BCH | FL |
| 2023-10-18 | 617-885 | MOBILESPHERE LLC | 487K | BOSTON | MA |
| 2023-10-18 | 786-984 | CALLWORKS CORPORATION | 475J | MIAMI | FL |
| 2023-10-18 | 786-987 | ONVOY SPECTRUM, LLC | 624H | NORTH DADE | FL |
| 2023-10-18 | 813-214 | ONVOY SPECTRUM, LLC | 624H | PLANT CITY | FL |
| 2023-10-18 | 813-338 | ONVOY SPECTRUM, LLC | 624H | TAMPASTH | FL |
| 2023-10-18 | 813-561 | ONVOY SPECTRUM, LLC | 624H | TAMPAWST | FL |
| 2023-10-18 | 840-245 | T-MOBILE USA, INC. | 6529 | REDLANDS | CA |
| 2023-10-18 | 848-352 | OMNIPOINT COMMUNICATIONS, INC. - NJ | 6623 | SPRINGLAKE | NJ |
| 2023-10-18 | 952-299 | METROPCS, INC. | 5562 | TWINCITIES | MN |
| 2023-10-18 | 971-469 | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - OR | 5820 | PORTLAND | OR |
| 2023-10-18 | 984-356 | TELEPORT COMMUNICATIONS AMERICA, LLC - NC | 8389 | RALEIGH | NC |
| 2023-10-17 | 227-222 | WIDE VOICE, LLC - MD | 530H | WSNGTNZN16 | MD |
| 2023-10-17 | 254-538 | T-MOBILE USA, INC. | 6529 | MARLIN | TX |
| 2023-10-17 | 263-588 | Rogers Communications Canada Inc. (Wireless) | 8821 | Montreal | — |
| 2023-10-17 | 263-688 | Rogers Communications Canada Inc. (Wireless) | 8821 | Montreal | — |
| 2023-10-17 | 263-770 | Rogers Communications Canada Inc. (Wireless) | 8821 | Montreal | — |
| 2023-10-17 | 263-778 | Rogers Communications Canada Inc. (Wireless) | 8821 | Montreal | — |
| 2023-10-17 | 263-788 | Rogers Communications Canada Inc. (Wireless) | 8821 | Montreal | — |
| 2023-10-17 | 263-877 | Rogers Communications Canada Inc. (Wireless) | 8821 | Montreal | — |
| 2023-10-17 | 263-883 | Rogers Communications Canada Inc. (Wireless) | 8821 | Montreal | — |
| 2023-10-17 | 263-885 | Rogers Communications Canada Inc. (Wireless) | 8821 | Montreal | — |
| 2023-10-17 | 283-777 | WIDE VOICE, LLC - OH | 765H | WAYNESVL | OH |
| 2023-10-17 | 346-733 | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - TX | 6506 | LANGHAMCRK | TX |
| 2023-10-17 | 479-529 | NEW CINGULAR WIRELESS PCS, LLC - IL | 6534 | FORT SMITH | AR |
| 2023-10-17 | 501-549 | NEW CINGULAR WIRELESS PCS, LLC - IL | 6534 | PALARM | AR |
| 2023-10-17 | 575-314 | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - NM | 6573 | ALAMOGORDO | NM |
| 2023-10-17 | 603-805 | MCIMETRO ACCESS TRANSMISSION SERVICES LLC - NH | 7778 | CONCORD | NH |
| 2023-10-17 | 667-454 | VONAGE AMERICA LLC | 197D | BEL AIR | MD |
| 2023-10-17 | 727-630 | ONVOY, LLC - FL | 937C | CLEARWATER | FL |
| 2023-10-17 | 786-983 | ONVOY, LLC - FL | 937C | MIAMI | FL |
| 2023-10-17 | 835-234 | LEVEL 3 COMMUNICATIONS, LLC - PA | 4007 | ALLENTOWN | PA |
| 2023-10-17 | 838-280 | MCIMETRO ACCESS TRANSMISSION SERVICES LLC | 7229 | ALBANY | NY |
| 2023-10-17 | 859-456 | ONVOY, LLC - KY | 896E | LEXINGTON | KY |
| 2023-10-17 | 914-634 | CSC WIRELESS, LLC | 425J | CHAPPAQUA | NY |
| 2023-10-17 | 915-344 | ONVOY, LLC - TX | 903C | EL PASO | TX |
| 2023-10-17 | 929-730 | ONVOY, LLC- NY | 384C | NWYRCYZN06 | NY |
| 2023-10-17 | 934-252 | CSC WIRELESS, LLC | 425J | CENTRAISLP | NY |
| 2023-10-17 | 986-269 | ONVOY, LLC - ID | 689F | BOISE | ID |
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.