NumberResearchRecent prefix assignments
371 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
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Dec 2025
Nov 2025
Oct 2025
| Assigned | NPA-NXX | Assignee | OCN | Rate center | State |
|---|---|---|---|---|---|
| 2024-02-08 | 227-233 | NEW CINGULAR WIRELESS PCS, LLC - DC | 4036 | WSHNGTNZN2 | MD |
| 2024-02-08 | 234-392 | IP HORIZON LLC | 515J | WOOSTER | OH |
| 2024-02-08 | 234-393 | IP HORIZON LLC | 515J | LOUISVILLE | OH |
| 2024-02-08 | 234-395 | IP HORIZON LLC | 515J | NO CANTON | OH |
| 2024-02-08 | 234-396 | IP HORIZON LLC | 515J | LISBON | OH |
| 2024-02-08 | 262-405 | ONVOY, LLC - WI | 225C | WEST BEND | WI |
| 2024-02-08 | 262-406 | ONVOY, LLC - WI | 225C | MENOMONFLS | WI |
| 2024-02-08 | 302-237 | COMMIO, LLC | 939H | DOVER | DE |
| 2024-02-08 | 317-317 | COMCAST IP PHONE, LLC | 318J | INDIANAPLS | IN |
| 2024-02-08 | 329-214 | ONVOY, LLC- NY | 384C | HYDE PARK | NY |
| 2024-02-08 | 329-215 | ONVOY, LLC- NY | 384C | WASHIGTNVL | NY |
| 2024-02-08 | 331-322 | ONVOY, LLC | 224C | LOMBARD | IL |
| 2024-02-08 | 331-323 | ONVOY, LLC | 224C | GLEN ELLYN | IL |
| 2024-02-08 | 334-483 | ONVOY, LLC - AL | 604E | DOTHAN | AL |
| 2024-02-08 | 440-393 | IP HORIZON LLC | 515J | KIRTLAND | OH |
| 2024-02-08 | 440-861 | IP HORIZON LLC | 515J | CHESTERLD | OH |
| 2024-02-08 | 567-441 | IP HORIZON LLC | 515J | LIMA | OH |
| 2024-02-08 | 567-445 | IP HORIZON LLC | 515J | PERRYSBURG | OH |
| 2024-02-08 | 567-447 | IP HORIZON LLC | 515J | MAUMEE | OH |
| 2024-02-08 | 567-448 | IP HORIZON LLC | 515J | UPSANDUSKY | OH |
| 2024-02-08 | 680-298 | COMMIO, LLC | 939H | HERKIMER | NY |
| 2024-02-08 | 681-521 | NEW CINGULAR WIRELESS PCS, LLC - DC | 4036 | HNTNGTNZN1 | WV |
| 2024-02-08 | 708-900 | T-MOBILE USA, INC. | 6529 | RIVERDALE | IL |
| 2024-02-08 | 708-994 | T-MOBILE USA, INC. | 6529 | SUMMIT | IL |
| 2024-02-08 | 712-570 | COMMIO, LLC | 939H | SIOUX CITY | IA |
| 2024-02-08 | 730-235 | T-MOBILE USA, INC. | 6529 | MURPHYSBO | IL |
| 2024-02-08 | 730-236 | T-MOBILE USA, INC. | 6529 | TROY | IL |
| 2024-02-08 | 779-386 | T-MOBILE USA, INC. | 6529 | PRINCETON | IL |
| 2024-02-08 | 810-330 | NEW CINGULAR WIRELESS PCS, LLC - IL | 6534 | LAPEER | MI |
| 2024-02-08 | 815-779 | T-MOBILE USA, INC. | 6529 | PLAINFIELD | IL |
| 2024-02-08 | 929-741 | OMNIPOINT COMMUNICATIONS, INC. - NY | 6622 | NWYRCYZN05 | NY |
| 2024-02-08 | 929-742 | OMNIPOINT COMMUNICATIONS, INC. - NY | 6622 | NWYRCYZN10 | NY |
| 2024-02-08 | 929-743 | OMNIPOINT COMMUNICATIONS, INC. - NY | 6622 | NWYRCYZN13 | NY |
| 2024-02-08 | 938-242 | ONVOY, LLC - AL | 604E | SYLACAUGA | AL |
| 2024-02-08 | 938-243 | ONVOY, LLC - AL | 604E | SCOTTSBORO | AL |
| 2024-02-08 | 938-244 | ONVOY, LLC - AL | 604E | GUNTERSVL | AL |
| 2024-02-08 | 971-480 | T-MOBILE USA, INC. | 6529 | PORTLAND | OR |
| 2024-02-07 | 272-395 | NEW CINGULAR WIRELESS PCS, LLC - DC | 4036 | NEWMILFORD | PA |
| 2024-02-07 | 272-396 | NEW CINGULAR WIRELESS PCS, LLC - DC | 4036 | PLEASANTMT | PA |
| 2024-02-07 | 276-320 | ONVOY SPECTRUM, LLC | 624H | MEADOWVIEW | VA |
| 2024-02-07 | 341-246 | ONVOY, LLC - CA | 649C | FRNK OLIVR | CA |
| 2024-02-07 | 341-247 | ONVOY, LLC - CA | 649C | RICHMOND | CA |
| 2024-02-07 | 341-248 | ONVOY, LLC - CA | 649C | FRNK GRNLF | CA |
| 2024-02-07 | 346-780 | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - TX | 6506 | LANGHAMCRK | TX |
| 2024-02-07 | 419-813 | NEW CINGULAR WIRELESS PCS, LLC - IL | 6534 | LIMA | OH |
| 2024-02-07 | 479-536 | NEW CINGULAR WIRELESS PCS, LLC - IL | 6534 | ROGERS | AR |
| 2024-02-07 | 531-358 | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - NE | 5807 | LOUISVILLE | NE |
| 2024-02-07 | 734-465 | NEW CINGULAR WIRELESS PCS, LLC - IL | 6534 | ANN ARBOR | MI |
| 2024-02-07 | 762-702 | ONVOY SPECTRUM, LLC | 624H | THOMASTON | GA |
| 2024-02-07 | 826-234 | SHENTEL COMMUNICATIONS, LLC. - VA | 4979 | FORT VLY | VA |
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.