NumberResearch Membership · Data 2026-04

Recent prefix assignments

380 prefixes assigned in the last 30 days · from the daily NANPA CO code file, 2026-04

Full prefixes (NXX) Thousands-blocks (1,000-number pools)

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
8X8, INC. 38
ONVOY, LLC - CA 37
NEW CINGULAR WIRELESS PCS, LLC - IL 33
NEW CINGULAR WIRELESS PCS, LLC - DC 30
ONVOY, LLC - TX 18
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
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Recent NPA-NXX prefix assignments
AssignedNPA-NXXAssigneeOCNRate centerState
2001-05-04 612-728 QWEST CORPORATION 9631 TWINCITIES MN
2001-05-04 612-729 QWEST CORPORATION 9631 TWINCITIES MN
2001-05-04 631-804 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - NY 6959 BRENTWOOD NY
2001-05-04 646-387 OMNIPOINT COMMUNICATIONS, INC. - NY 6622 NWYRCYZN01 NY
2001-05-04 646-431 OMNIPOINT COMMUNICATIONS, INC. - NY 6622 NWYRCYZN01 NY
2001-05-04 705-698 Bell Mobility 6574 Sudbury —
2001-05-04 717-298 WINDSTREAM D & E SYSTEMS, INC. - PA 4114 HERSHEY PA
2001-05-04 727-403 NEW CINGULAR WIRELESS PCS, LLC - GA 6214 CLEARWATER FL
2001-05-04 727-415 NEW CINGULAR WIRELESS PCS, LLC - GA 6214 CLEARWATER FL
2001-05-04 727-421 NEW CINGULAR WIRELESS PCS, LLC - GA 6214 CLEARWATER FL
2001-05-04 727-424 NEW CINGULAR WIRELESS PCS, LLC - GA 6214 CLEARWATER FL
2001-05-04 727-460 NEW CINGULAR WIRELESS PCS, LLC - GA 6214 CLEARWATER FL
2001-05-04 727-480 NEW CINGULAR WIRELESS PCS, LLC - GA 6214 CLEARWATER FL
2001-05-04 727-510 NEW CINGULAR WIRELESS PCS, LLC - GA 6214 CLEARWATER FL
2001-05-04 727-515 NEW CINGULAR WIRELESS PCS, LLC - GA 6214 CLEARWATER FL
2001-05-04 727-560 NEW CINGULAR WIRELESS PCS, LLC - GA 6214 CLEARWATER FL
2001-05-04 727-698 NEW CINGULAR WIRELESS PCS, LLC - GA 6214 CLEARWATER FL
2001-05-04 765-304 LEVEL 3 COMMUNICATIONS, LLC - IN 4803 MAYS IN
2001-05-04 765-305 FRONTIER NORTH, INC.. - IN 0772 WINCHESTER IN
2001-05-04 765-308 LEVEL 3 COMMUNICATIONS, LLC - IN 4803 MODOC IN
2001-05-04 765-309 LEVEL 3 COMMUNICATIONS, LLC - IN 4803 LAUREL IN
2001-05-04 765-310 LEVEL 3 COMMUNICATIONS, LLC - IN 4803 LIBERTY IN
2001-05-04 765-312 FRONTIER NORTH, INC.. - IN 0772 CAMBDG CY IN
2001-05-04 765-321 LEVEL 3 COMMUNICATIONS, LLC - IN 4803 REDKEY IN
2001-05-04 774-406 METROPCS, INC. 5562 TAUNTON MA
2001-05-04 774-696 METROPCS, INC. 5562 WORCESTER MA
2001-05-04 774-721 OMNIPOINT MIAMI E LICENSE, LLC 6889 NATICK MA
2001-05-04 774-836 METROPCS, INC. 5562 OSTERVILLE MA
2001-05-04 781-706 METROPCS, INC. 5562 HINGHAM MA
2001-05-04 801-330 T-MOBILE USA, INC. 6529 SALT LAKE UT
2001-05-04 803-238 SUNCOM DBA T-MOBILE USA 8645 COLUMBIA SC
2001-05-04 803-261 SUNCOM DBA T-MOBILE USA 8645 COLUMBIA SC
2001-05-04 803-269 SUNCOM DBA T-MOBILE USA 8645 COLUMBIA SC
2001-05-04 803-463 SUNCOM DBA T-MOBILE USA 8645 COLUMBIA SC
2001-05-04 843-997 SUNCOM DBA T-MOBILE USA 8645 MYRTLE BCH SC
2001-05-04 902-356 Bragg Communications Inc. 4878 Liverpool —
2001-05-04 908-342 OMNIPOINT COMMUNICATIONS, INC. - NJ 6623 BERNARDSVL NJ
2001-05-04 917-215 OMNIPOINT COMMUNICATIONS, INC. - NY 6622 NWYRCYZN01 NY
2001-05-04 917-216 OMNIPOINT COMMUNICATIONS, INC. - NY 6622 NWYRCYZN01 NY
2001-05-04 917-250 OMNIPOINT COMMUNICATIONS, INC. - NY 6622 NWYRCYZN01 NY
2001-05-04 917-251 OMNIPOINT COMMUNICATIONS, INC. - NY 6622 NWYRCYZN01 NY
2001-05-04 917-302 OMNIPOINT COMMUNICATIONS, INC. - NY 6622 NWYRCYZN01 NY
2001-05-04 917-325 OMNIPOINT COMMUNICATIONS, INC. - NY 6622 NWYRCYZN01 NY
2001-05-04 917-345 OMNIPOINT COMMUNICATIONS, INC. - NY 6622 NWYRCYZN01 NY
2001-05-04 917-346 OMNIPOINT COMMUNICATIONS, INC. - NY 6622 NWYRCYZN01 NY
2001-05-04 917-412 OMNIPOINT COMMUNICATIONS, INC. - NY 6622 NWYRCYZN01 NY
2001-05-04 917-497 OMNIPOINT COMMUNICATIONS, INC. - NY 6622 NWYRCYZN01 NY
2001-05-04 917-498 OMNIPOINT COMMUNICATIONS, INC. - NY 6622 NWYRCYZN01 NY
2001-05-04 970-729 NEW CINGULAR WIRELESS PCS, LLC 6010 TELLURIDE CO
2001-05-03 213-814 LEVEL 3 COMMUNICATIONS, LLC - CA 8826 LSAN DA 07 CA

Source: NANPA CO Code Assignments (Utilized, All States, Public), file date 2026-04 — Tier A primary source, refreshed on every import. Viewing is free; bulk downloads require a membership.