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
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 |
|---|---|---|---|---|---|
| 2023-12-11 | 325-353 | ONVOY SPECTRUM, LLC | 624H | EDEN | TX |
| 2023-12-11 | 325-354 | ONVOY SPECTRUM, LLC | 624H | SONORA | TX |
| 2023-12-11 | 346-745 | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - TX | 6506 | CYPRESS | TX |
| 2023-12-11 | 346-747 | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - TX | 6506 | DICKINSON | TX |
| 2023-12-11 | 412-556 | ONVOY, LLC - PA | 547E | PTTSBGZON1 | PA |
| 2023-12-11 | 414-356 | ONVOY, LLC - WI | 225C | MILWAUKZN1 | WI |
| 2023-12-11 | 424-998 | NEW CINGULAR WIRELESS PCS, LLC | 6010 | HAWTHORNE | CA |
| 2023-12-11 | 425-479 | NEW CINGULAR WIRELESS PCS, LLC | 6010 | RENTON | WA |
| 2023-12-11 | 445-287 | ONVOY, LLC - PA | 547E | PHLDLPHZN1 | PA |
| 2023-12-11 | 479-995 | NEW CINGULAR WIRELESS PCS, LLC - IL | 6534 | CENTERTON | AR |
| 2023-12-11 | 551-201 | ONVOY, LLC - NJ | 637C | JERSEYCITY | NJ |
| 2023-12-11 | 689-322 | NEW CINGULAR WIRELESS PCS, LLC - GA | 6214 | KISSIMMEE | FL |
| 2023-12-11 | 715-414 | CHARTER IP ENABLED SERVICES, LLC | 792K | PRENTICE | WI |
| 2023-12-11 | 774-351 | NEW CINGULAR WIRELESS PCS, LLC - DC | 4036 | WORCESTER | MA |
| 2023-12-11 | 839-258 | NEW CINGULAR WIRELESS PCS, LLC - GA | 6214 | WINNSBORO | SC |
| 2023-12-11 | 839-259 | NEW CINGULAR WIRELESS PCS, LLC - GA | 6214 | BARNWELL | SC |
| 2023-12-11 | 854-200 | BANDWIDTH.COM CLEC, LLC - SC | 077F | CHARLESTON | SC |
| 2023-12-11 | 864-758 | NEW CINGULAR WIRELESS PCS, LLC - GA | 6214 | GREENWOOD | SC |
| 2023-12-10 | 361-351 | ONVOY SPECTRUM, LLC | 624H | BLOOMINGTN | TX |
| 2023-12-10 | 504-318 | ONVOY, LLC - LA | 749E | NEWORLEANS | LA |
| 2023-12-10 | 947-270 | NEW CINGULAR WIRELESS PCS, LLC - IL | 6534 | BIRMINGHAM | MI |
| 2023-12-10 | 985-361 | VOICESTREAM GSM I, LLC | 150C | RACELAND | LA |
| 2023-12-08 | 213-762 | ONVOY, LLC - CA | 649C | LSAN DA 02 | CA |
| 2023-12-08 | 213-767 | ONVOY, LLC - CA | 649C | LSAN DA 04 | CA |
| 2023-12-08 | 272-371 | IP HORIZON LLC | 515J | NANTICOKE | PA |
| 2023-12-08 | 272-374 | IP HORIZON LLC | 515J | PLYMOUTH | PA |
| 2023-12-08 | 272-375 | IP HORIZON LLC | 515J | PINE GROVE | PA |
| 2023-12-08 | 272-376 | IP HORIZON LLC | 515J | RENOVO | PA |
| 2023-12-08 | 272-378 | IP HORIZON LLC | 515J | SHENANDOAH | PA |
| 2023-12-08 | 272-379 | IP HORIZON LLC | 515J | WILKSBARRE | PA |
| 2023-12-08 | 332-286 | ONVOY, LLC- NY | 384C | NWYRCYZN01 | NY |
| 2023-12-08 | 431-440 | IXICA Communications Inc. | 812H | Winnipeg | — |
| 2023-12-08 | 463-291 | ONVOY, LLC - IN | 097D | INDIANAPLS | IN |
| 2023-12-08 | 475-346 | ONVOY, LLC - CT | 639C | STAMFORD | CT |
| 2023-12-08 | 480-972 | CALLWORKS CORPORATION | 475J | PHOENIX | AZ |
| 2023-12-08 | 480-973 | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - AZ | 6572 | PHOENIX | AZ |
| 2023-12-08 | 504-447 | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - LA | 6505 | NEWORLEANS | LA |
| 2023-12-08 | 520-703 | CALLWORKS CORPORATION | 475J | TUCSON | AZ |
| 2023-12-08 | 541-458 | CHARTER IP ENABLED SERVICES, LLC | 792K | WOLF CREEK | OR |
| 2023-12-08 | 571-628 | NEW CINGULAR WIRELESS PCS, LLC - DC | 4036 | DALE CITY | VA |
| 2023-12-08 | 584-777 | IXICA Communications Inc. | 812H | Notre Dame de Lourdes | — |
| 2023-12-08 | 645-202 | ONVOY, LLC - FL | 937C | MIAMI | FL |
| 2023-12-08 | 645-444 | WIDE VOICE, LLC - FL | 704G | MIAMI | FL |
| 2023-12-08 | 656-233 | CALLWORKS CORPORATION | 475J | TAMPACEN | FL |
| 2023-12-08 | 662-929 | ONVOY, LLC - MS | 719E | MEMPHIS | MS |
| 2023-12-08 | 765-829 | BHN IP ENABLED SERVICES, LLC | 045L | SWAYZEE | IN |
| 2023-12-08 | 878-292 | BOOST SUBSCRIBERCO L.L.C. | 490J | GREENVILLE | PA |
| 2023-12-08 | 929-734 | EON TELECOM, INC. | 839J | NWYRCYZN04 | NY |
| 2023-12-08 | 986-270 | CALLWORKS CORPORATION | 475J | BOISE | ID |
| 2023-12-08 | 986-271 | CALLWORKS CORPORATION | 475J | COERDALENE | 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.