Recent prefix assignments
355 prefixes assigned in the last 30 days · from the daily NANPA CO code file, 09/17/2026
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.
Most active assignees, last 30 days
8X8, INC.
37
ONVOY, LLC - CA
35
NEW CINGULAR WIRELESS PCS, LLC - IL
33
NEW CINGULAR WIRELESS PCS, LLC - DC
27
ONVOY, LLC - TX
18
| Assigned | NPA-NXX | Assignee | OCN | Rate center | State |
|---|---|---|---|---|---|
| 2001-02-22 | 775-268 | NEW CINGULAR WIRELESS PCS, LLC | 6010 | WENDOVER | NV |
| 2001-02-22 | 781-504 | METROPCS, INC. | 5562 | WOBURN | MA |
| 2001-02-22 | 781-609 | COMCAST IP PHONE, LLC | 318J | WALTHAM | MA |
| 2001-02-22 | 818-910 | SHELCOMM | 0051 | SNFN GRHL | CA |
| 2001-02-22 | 845-480 | OMNIPOINT COMMUNICATIONS, INC. - NY | 6622 | NYACK | NY |
| 2001-02-22 | 847-224 | NEW CINGULAR WIRELESS PCS, LLC - IL | 6534 | NORTHBROOK | IL |
| 2001-02-22 | 903-421 | FRONTIER SOUTHWEST INC DBA FRONTIER COMM OF TEXAS | 4344 | SHERMAN | TX |
| 2001-02-22 | 910-733 | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - NC | 6324 | LUMBERTON | NC |
| 2001-02-22 | 928-583 | QWEST CORPORATION | 9636 | PRESCOTT | AZ |
| 2001-02-22 | 949-232 | T-MOBILE USA, INC. | 6529 | IRVINE | CA |
| 2001-02-22 | 949-436 | NEW CINGULAR WIRELESS PCS, LLC | 6010 | LAGUNA BCH | CA |
| 2001-02-22 | 949-521 | NEW CINGULAR WIRELESS PCS, LLC | 6010 | SADLBK VLY | CA |
| 2001-02-22 | 949-981 | NEW CINGULAR WIRELESS PCS, LLC | 6010 | IRVINE | CA |
| 2001-02-22 | 951-818 | NEW CINGULAR WIRELESS PCS, LLC | 6010 | CORONA | CA |
| 2001-02-22 | 978-317 | NEW CINGULAR WIRELESS PCS, LLC - DC | 4036 | PEABODY | MA |
| 2001-02-21 | 216-534 | NEW CINGULAR WIRELESS PCS, LLC - IL | 6534 | CLEVELAND | OH |
| 2001-02-21 | 231-670 | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MI | 6003 | MUSKEGON | MI |
| 2001-02-21 | 240-476 | OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC | 6855 | WSHNGTNZN3 | MD |
| 2001-02-21 | 330-671 | NEW CINGULAR WIRELESS PCS, LLC - IL | 6534 | AKRON | OH |
| 2001-02-21 | 402-305 | NEW CINGULAR WIRELESS PCS, LLC - IL | 6534 | OMAHA | NE |
| 2001-02-21 | 440-382 | NEW CINGULAR WIRELESS PCS, LLC - IL | 6534 | WILLOUGHBY | OH |
| 2001-02-21 | 440-781 | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - OH | 6025 | CLEVELAND | OH |
| 2001-02-21 | 443-200 | MCIMETRO ACCESS TRANSMISSION SERVICES LLC | 7229 | WOODLAWN | MD |
| 2001-02-21 | 443-326 | NEW CINGULAR WIRELESS PCS, LLC - DC | 4036 | BALTIMORE | MD |
| 2001-02-21 | 443-433 | MCIMETRO ACCESS TRANSMISSION SERVICES LLC | 7229 | ANNAPOLIS | MD |
| 2001-02-21 | 443-576 | MCIMETRO ACCESS TRANSMISSION SERVICES LLC | 7229 | RANDALLSTN | MD |
| 2001-02-21 | 443-625 | LEVEL 3 COMMUNICATIONS, LLC - MD | 6119 | FORK | MD |
| 2001-02-21 | 443-637 | MCIMETRO ACCESS TRANSMISSION SERVICES LLC | 7229 | ARGRGBSNIS | MD |
| 2001-02-21 | 508-736 | NEW CINGULAR WIRELESS PCS, LLC - DC | 4036 | WORCESTER | MA |
| 2001-02-21 | 508-918 | TC SYSTEMS, INC. | 7135 | FRANKLIN | MA |
| 2001-02-21 | 970-321 | UINTAH BASIN ELECTRONIC TELECOMMUNICATIONS | 1772 | CRAIG | CO |
| 2001-02-21 | 970-322 | UINTAH BASIN ELECTRONIC TELECOMMUNICATIONS | 1772 | GRAND JCT | CO |
| 2001-02-20 | 201-491 | OMNIPOINT COMMUNICATIONS, INC. - NJ | 6623 | HACKENSACK | NJ |
| 2001-02-20 | 201-627 | MONMOUTH TELEPHONE AND TELEGRAPH, INC. - NJ | 3639 | ENGLEWOOD | NJ |
| 2001-02-20 | 206-304 | NEW CINGULAR WIRELESS PCS, LLC | 6010 | DES MOINES | WA |
| 2001-02-20 | 208-407 | T-MOBILE USA, INC. | 6529 | BOISE | ID |
| 2001-02-20 | 325-956 | T-MOBILE USA, INC. | 6529 | KINGSLAND | TX |
| 2001-02-20 | 443-650 | MCIMETRO ACCESS TRANSMISSION SERVICES LLC | 7229 | REISTERSTN | MD |
| 2001-02-20 | 479-508 | BRIGHTSPEED OF NORTHWEST ARKANSAS, LLC | 1142 | OZARK | AR |
| 2001-02-20 | 712-421 | NORTHWEST IOWA TELEPHONE, LLC | 1260 | SLOAN | IA |
| 2001-02-20 | 720-312 | T-MOBILE USA, INC. | 6529 | DENVER | CO |
| 2001-02-20 | 720-313 | T-MOBILE USA, INC. | 6529 | DENVER | CO |
| 2001-02-20 | 720-314 | T-MOBILE USA, INC. | 6529 | DENVER | CO |
| 2001-02-20 | 817-375 | SOUTHWESTERN BELL | 9533 | ARLINGTON | TX |
| 2001-02-20 | 830-385 | T-MOBILE USA, INC. | 6529 | MARBLE FLS | TX |
| 2001-02-20 | 847-219 | T-MOBILE USA, INC. | 6529 | LAKEFOREST | IL |
| 2001-02-20 | 847-312 | T-MOBILE USA, INC. | 6529 | ELK GROVE | IL |
| 2001-02-20 | 847-630 | T-MOBILE USA, INC. | 6529 | ARLIGTNHTS | IL |
| 2001-02-20 | 847-668 | T-MOBILE USA, INC. | 6529 | LIBERTYVL | IL |
| 2001-02-20 | 870-468 | BRIGHTSPEED OF NORTHWEST ARKANSAS, LLC | 1143 | CLARENDON | AR |
Source: NANPA CO Code Assignments (Utilized, All States, Public), file date 09/17/2026 — Tier A primary source, refreshed on every import. Viewing is free; bulk downloads require a membership.