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 |
|---|---|---|---|---|---|
| 2009-03-27 | 709-563 | Bell Mobility Aliant | 329A | Glovertown | — |
| 2009-03-27 | 709-564 | Bell Mobility Aliant | 329A | Gambo | — |
| 2009-03-27 | 903-506 | METROPCS, INC. | 5562 | TEXARKANA | TX |
| 2009-03-27 | 909-274 | CHARTER IP ENABLED SERVICES, LLC | 792K | DIAMONDBAR | CA |
| 2009-03-26 | 202-710 | NEW CINGULAR WIRELESS PCS, LLC - DC | 4036 | WSHNGTNZN1 | DC |
| 2009-03-26 | 225-374 | CENTURYLINK COMMUNICATIONS LLC - LA | 7637 | BATONROUGE | LA |
| 2009-03-26 | 240-550 | NEW CINGULAR WIRELESS PCS, LLC - DC | 4036 | WSNGTNZN10 | MD |
| 2009-03-26 | 240-706 | NEW CINGULAR WIRELESS PCS, LLC - DC | 4036 | WSHNGTNZN3 | MD |
| 2009-03-26 | 312-465 | PAETEC ITEL, LLC | 829J | CHICGOZN01 | IL |
| 2009-03-26 | 602-345 | TELEPORT COMMUNICATIONS AMERICA, LLC - AZ | 7217 | PHOENIX | AZ |
| 2009-03-26 | 671-707 | PTI PACIFICA INC. | 387C | AGANA | GU |
| 2009-03-26 | 681-342 | FRONTIER WEST VIRGINIA INC. | 9214 | BRIDGEPORT | WV |
| 2009-03-26 | 814-813 | CORE COMMUNICATIONS, INC. - PA | 3806 | CAMBDG SPG | PA |
| 2009-03-26 | 917-500 | METROPCS, INC. | 5562 | NWYRCYZN11 | NY |
| 2009-03-26 | 917-600 | METROPCS, INC. | 5562 | NWYRCYZN11 | NY |
| 2009-03-25 | 202-704 | NEW CINGULAR WIRELESS PCS, LLC - DC | 4036 | WSHNGTNZN1 | DC |
| 2009-03-25 | 202-706 | NEW CINGULAR WIRELESS PCS, LLC - DC | 4036 | WSHNGTNZN1 | DC |
| 2009-03-25 | 202-709 | NEW CINGULAR WIRELESS PCS, LLC - DC | 4036 | WSHNGTNZN1 | DC |
| 2009-03-25 | 240-551 | NEW CINGULAR WIRELESS PCS, LLC - DC | 4036 | WSNGTNZN10 | MD |
| 2009-03-25 | 240-552 | NEW CINGULAR WIRELESS PCS, LLC - DC | 4036 | WSNGTNZN10 | MD |
| 2009-03-25 | 240-701 | NEW CINGULAR WIRELESS PCS, LLC - DC | 4036 | WSHNGTNZN3 | MD |
| 2009-03-25 | 240-704 | NEW CINGULAR WIRELESS PCS, LLC - DC | 4036 | WSHNGTNZN3 | MD |
| 2009-03-25 | 240-705 | NEW CINGULAR WIRELESS PCS, LLC - DC | 4036 | WSHNGTNZN3 | MD |
| 2009-03-25 | 267-595 | NEW CINGULAR WIRELESS PCS, LLC - DC | 4036 | PHLDLPHZN1 | PA |
| 2009-03-25 | 434-275 | CORETEL VIRGINIA, LLC - VA | 5832 | BLACKRIDGE | VA |
| 2009-03-25 | 434-512 | CORETEL VIRGINIA, LLC - VA | 5832 | BEECHWOOD | VA |
| 2009-03-25 | 662-831 | CELLULAR SOUTH, INC. | 6581 | ACKERMAN | MS |
| 2009-03-25 | 762-209 | METROPCS, INC. | 5562 | DALTON | GA |
| 2009-03-25 | 916-692 | MCIMETRO ACCESS TRANSMISSION SERVICES LLC | 7229 | SCRM NORTH | CA |
| 2009-03-24 | 202-705 | NEW CINGULAR WIRELESS PCS, LLC - DC | 4036 | WSHNGTNZN1 | DC |
| 2009-03-24 | 205-536 | BROADRIVER COMMUNICATION CORPORATION - GA | 0173 | BIRMINGHAM | AL |
| 2009-03-24 | 240-640 | NEW CINGULAR WIRELESS PCS, LLC - DC | 4036 | WALDORF | MD |
| 2009-03-24 | 252-366 | NEW CINGULAR WIRELESS PCS, LLC - GA | 6214 | ROCKYMOUNT | NC |
| 2009-03-24 | 319-883 | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IA | 6570 | WATERLOO | IA |
| 2009-03-24 | 540-285 | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - VA | 6827 | BALLARD | VA |
| 2009-03-24 | 570-615 | VERIZON PENNSYLVANIA, INC. | 9208 | MT POCONO | PA |
| 2009-03-24 | 571-572 | NEW CINGULAR WIRELESS PCS, LLC - DC | 4036 | OCCOQUAN | VA |
| 2009-03-24 | 762-202 | METROPCS, INC. | 5562 | CHATSWORTH | GA |
| 2009-03-24 | 803-562 | PAETEC ITEL, LLC | 829J | COLUMBIA | SC |
| 2009-03-24 | 843-794 | BELLSOUTH TELECOMM INC DBA SOUTHERN BELL TEL & TEL | 9417 | CHARLESTON | SC |
| 2009-03-23 | 234-521 | T-MOBILE USA, INC. | 6529 | CANTON | OH |
| 2009-03-23 | 352-426 | METROPCS, INC. | 5562 | OCALA | FL |
| 2009-03-23 | 740-542 | NEW CINGULAR WIRELESS PCS, LLC - IL | 6534 | CHILLICOTH | OH |
| 2009-03-23 | 773-812 | NEW CINGULAR WIRELESS PCS, LLC - IL | 6534 | CHICGOZN03 | IL |
| 2009-03-21 | 757-379 | CORETEL VIRGINIA, LLC - VA | 5832 | WINDSOR | VA |
| 2009-03-21 | 757-634 | CORETEL VIRGINIA, LLC - VA | 5832 | WILLIAMSBG | VA |
| 2009-03-21 | 804-961 | CORETEL VIRGINIA, LLC - VA | 5832 | GUM TREE | VA |
| 2009-03-20 | 289-248 | TELUS Integrated Communications | 2782 | Niagara Falls | — |
| 2009-03-20 | 403-405 | Shaw Telecom Inc. | 497E | Coaldale | — |
| 2009-03-20 | 403-468 | Shaw Telecom Inc. | 497E | Claresholm | — |
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.