NRNumberResearch Membership · Data 09/17/2026

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
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Recent NPA-NXX prefix assignments
AssignedNPA-NXXAssigneeOCNRate centerState
2001-03-12 724-937 CORE COMMUNICATIONS, INC. - PA 3806 GROVE CITY PA
2001-03-12 724-952 CORE COMMUNICATIONS, INC. - PA 3806 MASONTOWN PA
2001-03-12 724-953 CORE COMMUNICATIONS, INC. - PA 3806 GREENSBURG PA
2001-03-12 724-997 CORE COMMUNICATIONS, INC. - PA 3806 MONONGAHLA PA
2001-03-12 786-295 OMNIPOINT MIAMI E LICENSE, LLC 6889 MIAMI FL
2001-03-12 813-477 AERIAL COMMUNICATIONS, INC. 6701 TAMPA FL
2001-03-12 928-279 T-MOBILE USA, INC. 6529 KINGMAN AZ
2001-03-10 321-754 LEVEL 3 COMMUNICATIONS, LLC - FL 4802 ORLANDO FL
2001-03-09 231-638 OMNIPOINT COMMUNICATIONS MIDWEST OPERATIONS, LLC 2964 MUSKEGON MI
2001-03-09 252-639 BRIGHTSPEED OF EASTERN NORTH CAROLINA, LLC 0470 NEW BERN NC
2001-03-09 256-242 NEW CINGULAR WIRELESS PCS, LLC - GA 6214 SECTION AL
2001-03-09 269-420 OMNIPOINT COMMUNICATIONS MIDWEST OPERATIONS, LLC 2964 BATTLE CRK MI
2001-03-09 269-747 TELNET WORLDWIDE, INC. 817J BELLEVUE MI
2001-03-09 269-760 OMNIPOINT COMMUNICATIONS MIDWEST OPERATIONS, LLC 2964 KALAMAZOO MI
2001-03-09 302-780 CORETEL DELAWARE, INC. - DE 1991 DELMAR DE
2001-03-09 302-782 CORETEL DELAWARE, INC. - DE 1991 DOVER DE
2001-03-09 302-783 CORETEL DELAWARE, INC. - DE 1991 LEWES DE
2001-03-09 302-787 CORETEL DELAWARE, INC. - DE 1991 NEW CASTLE DE
2001-03-09 302-788 CORETEL DELAWARE, INC. - DE 1991 SELBYVILLE DE
2001-03-09 302-789 CORETEL DELAWARE, INC. - DE 1991 WILMINGTON DE
2001-03-09 313-779 OMNIPOINT COMMUNICATIONS MIDWEST OPERATIONS, LLC 2964 DETROITZN6 MI
2001-03-09 319-325 UNITED STATES CELLULAR - IA 6266 IOWA CITY IA
2001-03-09 337-249 METROPCS, INC. 5562 SWEET LAKE LA
2001-03-09 409-539 NEW CINGULAR WIRELESS PCS, LLC - IL 6534 GALVESTON TX
2001-03-09 419-508 OMNIPOINT COMMUNICATIONS MIDWEST OPERATIONS, LLC 2964 TOLEDO OH
2001-03-09 423-946 SUNCOM DBA T-MOBILE USA 8645 JOHNSON CY TN
2001-03-09 423-963 METROPCS, INC. 5562 KINGSPORT TN
2001-03-09 432-289 SOUTHWESTERN BELL 9533 MIDLAND TX
2001-03-09 443-722 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 6855 BALTIMORE MD
2001-03-09 480-213 NEW CINGULAR WIRELESS PCS, LLC 6010 PHOENIX AZ
2001-03-09 571-275 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 6855 WSNGTNZN08 VA
2001-03-09 571-276 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 6855 WSNGTNZN08 VA
2001-03-09 603-303 BELL ATLANTIC MOBILE, INC 6386 RAYMOND NH
2001-03-09 606-422 NEW CINGULAR WIRELESS PCS, LLC - GA 6214 PIKEVILLE KY
2001-03-09 612-466 QWEST CORPORATION 9631 TWINCITIES MN
2001-03-09 616-610 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MI 6003 ZEELAND MI
2001-03-09 616-745 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MI 6003 GRAND RPDS MI
2001-03-09 616-834 AT&T - LOCAL 7421 HOLLAND MI
2001-03-09 617-767 METROPCS, INC. 5562 SOMERVILLE MA
2001-03-09 617-869 METROPCS, INC. 5562 BOSTON MA
2001-03-09 646-261 OMNIPOINT COMMUNICATIONS, INC. - NY 6622 NWYRCYZN01 NY
2001-03-09 646-302 OMNIPOINT COMMUNICATIONS, INC. - NY 6622 NWYRCYZN01 NY
2001-03-09 646-523 OMNIPOINT COMMUNICATIONS, INC. - NY 6622 NWYRCYZN01 NY
2001-03-09 708-516 METROPCS, INC. 5562 SUMMIT IL
2001-03-09 719-484 QWEST CORPORATION 9636 COLORDOSPG CO
2001-03-09 773-619 T-MOBILE USA, INC. 6529 CHICGOZN03 IL
2001-03-09 773-851 T-MOBILE USA, INC. 6529 CHICGOZN07 IL
2001-03-09 831-682 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 6006 SALINAS CA
2001-03-09 832-603 NEW CINGULAR WIRELESS PCS, LLC - IL 6534 HOUSTON TX
2001-03-09 847-708 T-MOBILE USA, INC. 6529 NORTHBROOK IL

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.