NumberResearchRecent prefix assignments
366 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 |
|---|---|---|---|---|---|
| 2006-07-05 | 862-576 | NEW CINGULAR WIRELESS PCS, LLC - DC | 4036 | NEWARK | NJ |
| 2006-07-04 | 514-646 | Videotron Ltd. | 8306 | Ile-Perrot | — |
| 2006-07-04 | 519-444 | Bell Mobility | 6574 | Listowel | — |
| 2006-07-04 | 519-450 | Bell Mobility | 6574 | Wingham | — |
| 2006-07-04 | 519-613 | Bell Mobility | 6574 | Leamington | — |
| 2006-07-03 | 315-807 | ONVOY, LLC- NY | 384C | SYRACUSE | NY |
| 2006-07-03 | 518-763 | ONVOY, LLC- NY | 384C | ALBANY | NY |
| 2006-07-03 | 612-568 | LEVEL 3 COMMUNICATIONS, LLC - MN | 5256 | TWINCITIES | MN |
| 2006-07-03 | 702-917 | T-MOBILE USA, INC. | 6529 | LAS VEGAS | NV |
| 2006-07-03 | 716-748 | ONVOY, LLC- NY | 384C | BUFFALO | NY |
| 2006-07-03 | 843-707 | LEVEL 3 COMMUNICATIONS, LLC - SC | 5258 | BLUFFTON | SC |
| 2006-06-30 | 276-525 | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - VA | 6827 | ABINGDON | VA |
| 2006-06-30 | 347-449 | NEW CINGULAR WIRELESS PCS, LLC - DC | 4036 | NWYRCYZN05 | NY |
| 2006-06-30 | 408-722 | NEW CINGULAR WIRELESS PCS, LLC | 6010 | MORGANHILL | CA |
| 2006-06-30 | 450-933 | Videotron Ltd. | 8306 | Pont-Viau | — |
| 2006-06-30 | 450-934 | Videotron Ltd. | 8306 | Chomedey | — |
| 2006-06-30 | 573-668 | CHARTER IP ENABLED SERVICES, LLC | 792K | BOURBON | MO |
| 2006-06-30 | 614-678 | AERIAL COMMUNICATIONS, INC. | 6701 | COLUMBUS | OH |
| 2006-06-30 | 937-703 | NEW CINGULAR WIRELESS PCS, LLC - IL | 6534 | TROY | OH |
| 2006-06-29 | 403-675 | Shaw Telecom Inc. | 497E | Canmore | — |
| 2006-06-29 | 450-314 | Videotron Ltd. | 8306 | Laval-Ouest | — |
| 2006-06-29 | 450-315 | Videotron Ltd. | 8306 | Laval-Est | — |
| 2006-06-29 | 450-936 | Videotron Ltd. | 8306 | St-Vincent-de-Paul | — |
| 2006-06-29 | 450-937 | Videotron Ltd. | 8306 | Ste-Rose | — |
| 2006-06-29 | 505-917 | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - NM | 6573 | ALBUQURQUE | NM |
| 2006-06-29 | 515-477 | MCC TELEPHONY OF IOWA, LLC - IA | 751F | SWEA CITY | IA |
| 2006-06-29 | 717-522 | COMCAST IP PHONE, LLC | 318J | MOUNTVILLE | PA |
| 2006-06-29 | 717-604 | COMCAST IP PHONE, LLC | 318J | MARIETTA | PA |
| 2006-06-29 | 859-307 | NEW CINGULAR WIRELESS PCS, LLC - IL | 6534 | COVINGTON | KY |
| 2006-06-29 | 859-470 | NEW CINGULAR WIRELESS PCS, LLC - GA | 6214 | MIDWAY | KY |
| 2006-06-28 | 202-506 | NEW CINGULAR WIRELESS PCS, LLC - DC | 4036 | WSHNGTNZN1 | DC |
| 2006-06-28 | 209-594 | COMCAST PHONE OF CALIFORNIA, LLC | 394L | STOCKTON | CA |
| 2006-06-28 | 386-631 | METROPCS, INC. | 5562 | DAYTONABCH | FL |
| 2006-06-28 | 407-879 | METROPCS NETWORKS, LLC | 899D | ORLANDO | FL |
| 2006-06-28 | 443-949 | COMCAST IP PHONE, LLC | 318J | ANNAPOLIS | MD |
| 2006-06-28 | 480-298 | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - AZ | 6572 | PHOENIX | AZ |
| 2006-06-28 | 505-918 | NEW CINGULAR WIRELESS PCS, LLC | 6010 | ALBUQURQUE | NM |
| 2006-06-28 | 520-289 | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - AZ | 6572 | TUCSON | AZ |
| 2006-06-28 | 530-809 | COMCAST PHONE OF CALIFORNIA, LLC | 394L | CHICO | CA |
| 2006-06-28 | 559-840 | COMCAST PHONE OF CALIFORNIA, LLC | 394L | FRESNO | CA |
| 2006-06-28 | 646-478 | NEW CINGULAR WIRELESS PCS, LLC - DC | 4036 | NWYRCYZN01 | NY |
| 2006-06-28 | 646-673 | NEW CINGULAR WIRELESS PCS, LLC - DC | 4036 | NWYRCYZN01 | NY |
| 2006-06-28 | 646-912 | NEW CINGULAR WIRELESS PCS, LLC - DC | 4036 | NWYRCYZN01 | NY |
| 2006-06-28 | 704-709 | LEVEL 3 COMMUNICATIONS, LLC - NC | 3235 | ALTON | NC |
| 2006-06-28 | 706-612 | PAETEC ITEL, LLC | 829J | ATHENS | GA |
| 2006-06-28 | 863-934 | METROPCS NETWORKS, LLC | 899D | LAKELAND | FL |
| 2006-06-28 | 916-706 | COMCAST PHONE OF CALIFORNIA, LLC | 394L | SCRM MAIN | CA |
| 2006-06-27 | 219-455 | T-MOBILE USA, INC. | 6529 | GARY | IN |
| 2006-06-27 | 289-369 | Zayo Canada Inc. | 8304 | Dunnville | — |
| 2006-06-27 | 289-370 | Zayo Canada Inc. | 8304 | Cayuga | — |
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.