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
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Oct 2025
| Assigned | NPA-NXX | Assignee | OCN | Rate center | State |
|---|---|---|---|---|---|
| 2024-01-11 | 414-500 | ONVOY SPECTRUM, LLC | 624H | MILWAUKZN3 | WI |
| 2024-01-11 | 415-791 | T-MOBILE USA, INC. | 6529 | SNFC CNTRL | CA |
| 2024-01-11 | 442-431 | T-MOBILE USA, INC. | 6529 | EL CENTRO | CA |
| 2024-01-11 | 475-349 | OMNIPOINT COMMUNICATIONS, INC. - CT | 6624 | BRIDGEPORT | CT |
| 2024-01-11 | 475-352 | ONVOY, LLC - CT | 639C | NEW HAVEN | CT |
| 2024-01-11 | 505-601 | T-MOBILE USA, INC. | 6529 | ALBUQURQUE | NM |
| 2024-01-11 | 531-354 | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - NE | 5807 | OMAHA | NE |
| 2024-01-11 | 548-350 | Bell Mobility | 6574 | Kitchener-Waterloo | — |
| 2024-01-11 | 571-664 | COMMIO, LLC | 939H | MANASSAS | VA |
| 2024-01-11 | 571-670 | COMMIO, LLC | 939H | WSNGTNZN08 | VA |
| 2024-01-11 | 619-257 | T-MOBILE USA, INC. | 6529 | CHULAVISTA | CA |
| 2024-01-11 | 626-742 | T-MOBILE USA, INC. | 6529 | PSDN PSDN | CA |
| 2024-01-11 | 626-743 | T-MOBILE USA, INC. | 6529 | ALHAMBRA | CA |
| 2024-01-11 | 645-500 | ONVOY SPECTRUM, LLC | 624H | NORTH DADE | FL |
| 2024-01-11 | 667-465 | OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC | 6855 | ABERDEEN | MD |
| 2024-01-11 | 669-340 | T-MOBILE USA, INC. | 6529 | SNJS WEST | CA |
| 2024-01-11 | 689-620 | ONVOY SPECTRUM, LLC | 624H | WINTERPARK | FL |
| 2024-01-11 | 689-621 | ONVOY SPECTRUM, LLC | 624H | KISSIMMEE | FL |
| 2024-01-11 | 708-760 | EON TELECOM, INC. | 839J | CHICAGOHTS | IL |
| 2024-01-11 | 804-906 | COMMIO, LLC | 939H | RICHMOND | VA |
| 2024-01-11 | 812-991 | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IN | 6725 | BOONVILLE | IN |
| 2024-01-11 | 820-225 | T-MOBILE USA, INC. | 6529 | GUADALUPE | CA |
| 2024-01-11 | 825-962 | TELUS Mobility | 8301 | Calgary | — |
| 2024-01-11 | 840-250 | T-MOBILE USA, INC. | 6529 | ARROWHEAD | CA |
| 2024-01-11 | 904-960 | ONVOY SPECTRUM, LLC | 624H | YULEE | FL |
| 2024-01-11 | 959-258 | OMNIPOINT COMMUNICATIONS, INC. - CT | 6624 | HARTFORD | CT |
| 2024-01-11 | 986-273 | T-MOBILE USA, INC. | 6529 | BOISE | ID |
| 2024-01-10 | 213-773 | T-MOBILE USA, INC. | 6529 | LSAN DA 05 | CA |
| 2024-01-10 | 213-774 | ONVOY, LLC - CA | 649C | LSAN DA 10 | CA |
| 2024-01-10 | 224-559 | NEW CINGULAR WIRELESS PCS, LLC - IL | 6534 | NORTHBROOK | IL |
| 2024-01-10 | 224-560 | ONVOY, LLC | 224C | LIBERTYVL | IL |
| 2024-01-10 | 224-561 | ONVOY, LLC | 224C | PALATINE | IL |
| 2024-01-10 | 239-467 | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - FL | 6502 | NAPLES | FL |
| 2024-01-10 | 249-354 | Bell Mobility | 6574 | Sudbury | — |
| 2024-01-10 | 279-252 | T-MOBILE USA, INC. | 6529 | FAIR OAKS | CA |
| 2024-01-10 | 279-253 | T-MOBILE USA, INC. | 6529 | RSVL MAIN | CA |
| 2024-01-10 | 346-765 | ONVOY SPECTRUM, LLC | 624H | TOMBALL | TX |
| 2024-01-10 | 369-216 | T-MOBILE USA, INC. | 6529 | UKIAH | CA |
| 2024-01-10 | 401-492 | OMNIPOINT MIAMI E LICENSE, LLC | 6889 | CUMBLND HL | RI |
| 2024-01-10 | 445-288 | METROPCS, INC. | 5562 | PHPHSBZN33 | PA |
| 2024-01-10 | 464-235 | EON TELECOM, INC. | 839J | RIVERDALE | IL |
| 2024-01-10 | 506-313 | Bell Mobility Aliant | 329A | Saint John | — |
| 2024-01-10 | 562-727 | T-MOBILE USA, INC. | 6529 | NORWALK | CA |
| 2024-01-10 | 609-461 | COMMIO, LLC | 939H | PLEASANTVL | NJ |
| 2024-01-10 | 609-507 | NEW CINGULAR WIRELESS PCS, LLC - DC | 4036 | ATLNTIC CY | NJ |
| 2024-01-10 | 626-738 | T-MOBILE USA, INC. | 6529 | AZUSA | CA |
| 2024-01-10 | 626-740 | T-MOBILE USA, INC. | 6529 | ARCADIA | CA |
| 2024-01-10 | 669-339 | T-MOBILE USA, INC. | 6529 | SAN MARTIN | CA |
| 2024-01-10 | 680-296 | OMNIPOINT COMMUNICATIONS, INC. - NY | 6622 | POTSDAM | NY |
| 2024-01-10 | 728-203 | ONVOY, LLC - FL | 937C | WPALMBEACH | FL |
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.