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 |
|---|---|---|---|---|---|
| 2006-03-29 | 947-433 | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MI | 6003 | ORTONVILLE | MI |
| 2006-03-29 | 947-470 | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MI | 6003 | ORTONVILLE | MI |
| 2006-03-29 | 947-485 | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MI | 6003 | ORTONVILLE | MI |
| 2006-03-29 | 947-757 | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MI | 6003 | ORTONVILLE | MI |
| 2006-03-29 | 947-829 | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MI | 6003 | ORTONVILLE | MI |
| 2006-03-29 | 947-859 | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MI | 6003 | ORTONVILLE | MI |
| 2006-03-29 | 947-882 | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MI | 6003 | ORTONVILLE | MI |
| 2006-03-29 | 947-938 | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MI | 6003 | ORTONVILLE | MI |
| 2006-03-29 | 947-939 | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MI | 6003 | ORTONVILLE | MI |
| 2006-03-28 | 210-807 | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - TX | 6506 | SANANTONIO | TX |
| 2006-03-28 | 239-628 | OMNIPOINT MIAMI E LICENSE, LLC | 6889 | FORT MYERS | FL |
| 2006-03-28 | 267-519 | LEVEL 3 COMMUNICATIONS, LLC - PA | 4007 | PHLDLPHZN1 | PA |
| 2006-03-28 | 318-717 | NEW CINGULAR WIRELESS PCS, LLC - GA | 6214 | MARKSVILLE | LA |
| 2006-03-28 | 319-543 | MCC TELEPHONY LLC | 593K | SOLON | IA |
| 2006-03-28 | 319-633 | MCC TELEPHONY LLC | 593K | LONE TREE | IA |
| 2006-03-28 | 424-789 | LEVEL 3 COMMUNICATIONS, LLC - CA | 8826 | INGLEWOOD | CA |
| 2006-03-28 | 504-330 | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - LA | 6505 | NEWORLEANS | LA |
| 2006-03-28 | 573-878 | SOUTHWESTERN BELL | 9533 | BEAUFORT | MO |
| 2006-03-28 | 636-744 | SOUTHWESTERN BELL | 9533 | UNION | MO |
| 2006-03-28 | 714-725 | T-MOBILE USA, INC. | 6529 | WESTMINSTR | CA |
| 2006-03-28 | 760-892 | LEVEL 3 COMMUNICATIONS, LLC - CA | 8826 | WARNER SPG | CA |
| 2006-03-28 | 805-722 | U.S. TELEPACIFIC CORP. DBA TPX COMMUNICATIONS | 671J | SANBARBARA | CA |
| 2006-03-28 | 805-824 | T-MOBILE USA, INC. | 6529 | OXNARD | CA |
| 2006-03-28 | 805-903 | U.S. TELEPACIFIC CORP. DBA TPX COMMUNICATIONS | 671J | SNLUSOBSPO | CA |
| 2006-03-28 | 831-737 | U.S. TELEPACIFIC CORP. DBA TPX COMMUNICATIONS | 671J | SALINAS | CA |
| 2006-03-28 | 904-589 | BELLSOUTH TELECOMM INC DBA SOUTHERN BELL TEL & TEL | 9417 | MIDDLEBURG | FL |
| 2006-03-28 | 904-671 | BELLSOUTH TELECOMM INC DBA SOUTHERN BELL TEL & TEL | 9417 | ST JOHNS | FL |
| 2006-03-28 | 918-504 | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - OK | 5813 | TULSA | OK |
| 2006-03-28 | 928-349 | SMITH BAGLEY INC. DBA CELLULAR ONE OF NE ARIZONA | 4146 | CHINLE | AZ |
| 2006-03-28 | 928-429 | SMITH BAGLEY INC. DBA CELLULAR ONE OF NE ARIZONA | 4146 | KAYENTA | AZ |
| 2006-03-28 | 928-675 | SMITH BAGLEY INC. DBA CELLULAR ONE OF NE ARIZONA | 4146 | PINONCTNWD | AZ |
| 2006-03-28 | 947-762 | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MI | 6003 | ORTONVILLE | MI |
| 2006-03-28 | 947-830 | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MI | 6003 | ORTONVILLE | MI |
| 2006-03-28 | 947-970 | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MI | 6003 | ORTONVILLE | MI |
| 2006-03-27 | 225-678 | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - LA | 6505 | BATONROUGE | LA |
| 2006-03-27 | 281-520 | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - TX | 6506 | HOUSTON | TX |
| 2006-03-27 | 347-801 | OMNIPOINT COMMUNICATIONS, INC. - NY | 6622 | NWYRCYZN04 | NY |
| 2006-03-27 | 347-894 | OMNIPOINT COMMUNICATIONS, INC. - NY | 6622 | NWYRCYZN12 | NY |
| 2006-03-27 | 507-961 | CHARTER IP ENABLED SERVICES, LLC | 792K | WINONA | MN |
| 2006-03-27 | 715-510 | CHARTER IP ENABLED SERVICES, LLC | 792K | NEKOOSA | WI |
| 2006-03-27 | 715-909 | CHARTER IP ENABLED SERVICES, LLC | 792K | PT EDWARDS | WI |
| 2006-03-27 | 832-266 | NEW CINGULAR WIRELESS PCS, LLC - IL | 6534 | HOUSTON | TX |
| 2006-03-27 | 832-373 | NEW CINGULAR WIRELESS PCS, LLC - IL | 6534 | HOUSTON | TX |
| 2006-03-27 | 832-748 | NEW CINGULAR WIRELESS PCS, LLC - IL | 6534 | HOUSTON | TX |
| 2006-03-27 | 832-785 | NEW CINGULAR WIRELESS PCS, LLC - IL | 6534 | HOUSTON | TX |
| 2006-03-27 | 936-404 | NEW CINGULAR WIRELESS PCS, LLC - IL | 6534 | LUFKIN | TX |
| 2006-03-24 | 505-515 | ONVOY, LLC - NM | 206F | ALBUQURQUE | NM |
| 2006-03-24 | 540-318 | PAETEC ITEL, LLC | 829J | STAFFORD | VA |
| 2006-03-24 | 641-909 | T-MOBILE USA, INC. | 6529 | LAKE MILLS | IA |
| 2006-03-24 | 808-333 | WAVECOM SOLUTIONS CORPORATION - HI | 7454 | HILO | HI |
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.