NumberResearch Membership · Data 09/18/2026

Recent prefix assignments

11 prefixes assigned in the last 30 days · from the daily NANPA CO code file, 09/18/2026

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
U.S. TELEPACIFIC CORP. DBA TPX COMMUNICATIONS 11
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
714-399 U.S. TELEPACIFIC CORP. DBA TPX COMMUNICATIONS 671J ANAHEIM CA
714-426 U.S. TELEPACIFIC CORP. DBA TPX COMMUNICATIONS 671J SANTA ANA CA
714-453 U.S. TELEPACIFIC CORP. DBA TPX COMMUNICATIONS 671J ORANGE CA
714-467 U.S. TELEPACIFIC CORP. DBA TPX COMMUNICATIONS 671J GARDEN GRV CA
714-474 U.S. TELEPACIFIC CORP. DBA TPX COMMUNICATIONS 671J SANTA ANA CA
714-494 U.S. TELEPACIFIC CORP. DBA TPX COMMUNICATIONS 671J BREA CA
714-500 U.S. TELEPACIFIC CORP. DBA TPX COMMUNICATIONS 671J HUNTITNBCH CA
714-594 U.S. TELEPACIFIC CORP. DBA TPX COMMUNICATIONS 671J HUNTITNBCH CA
714-619 U.S. TELEPACIFIC CORP. DBA TPX COMMUNICATIONS 671J SANTA ANA CA
714-627 U.S. TELEPACIFIC CORP. DBA TPX COMMUNICATIONS 671J ORANGE CA
714-678 U.S. TELEPACIFIC CORP. DBA TPX COMMUNICATIONS 671J ANAHEIM CA
714-684 U.S. TELEPACIFIC CORP. DBA TPX COMMUNICATIONS 671J BUENA PARK CA
714-698 U.S. TELEPACIFIC CORP. DBA TPX COMMUNICATIONS 671J HUNTITNBCH CA
714-729 U.S. TELEPACIFIC CORP. DBA TPX COMMUNICATIONS 671J PLACENTIA CA
714-823 U.S. TELEPACIFIC CORP. DBA TPX COMMUNICATIONS 671J GARDEN GRV CA
714-887 U.S. TELEPACIFIC CORP. DBA TPX COMMUNICATIONS 671J HUNTITNBCH CA
714-888 U.S. TELEPACIFIC CORP. DBA TPX COMMUNICATIONS 671J FULLERTON CA
714-905 U.S. TELEPACIFIC CORP. DBA TPX COMMUNICATIONS 671J ANAHEIM CA
714-912 U.S. TELEPACIFIC CORP. DBA TPX COMMUNICATIONS 671J ORANGE CA
760-274 U.S. TELEPACIFIC CORP. DBA TPX COMMUNICATIONS 671J ENCINITAS CA
760-290 U.S. TELEPACIFIC CORP. DBA TPX COMMUNICATIONS 671J SAN MARCOS CA
760-334 U.S. TELEPACIFIC CORP. DBA TPX COMMUNICATIONS 671J ENCINITAS CA
760-405 U.S. TELEPACIFIC CORP. DBA TPX COMMUNICATIONS 671J OCSD OCSD CA
760-407 U.S. TELEPACIFIC CORP. DBA TPX COMMUNICATIONS 671J VISTA CA
760-410 U.S. TELEPACIFIC CORP. DBA TPX COMMUNICATIONS 671J SAN MARCOS CA
760-422 U.S. TELEPACIFIC CORP. DBA TPX COMMUNICATIONS 671J PALM SPG CA
760-423 U.S. TELEPACIFIC CORP. DBA TPX COMMUNICATIONS 671J PALMDESERT CA
760-424 U.S. TELEPACIFIC CORP. DBA TPX COMMUNICATIONS 671J PALM SPG CA
760-448 U.S. TELEPACIFIC CORP. DBA TPX COMMUNICATIONS 671J OCSD CRLS CA
760-466 U.S. TELEPACIFIC CORP. DBA TPX COMMUNICATIONS 671J ESCONDIDO CA
760-477 U.S. TELEPACIFIC CORP. DBA TPX COMMUNICATIONS 671J VISTA CA
760-516 U.S. TELEPACIFIC CORP. DBA TPX COMMUNICATIONS 671J ENCINITAS CA
760-517 U.S. TELEPACIFIC CORP. DBA TPX COMMUNICATIONS 671J OCSD CRLS CA
760-547 U.S. TELEPACIFIC CORP. DBA TPX COMMUNICATIONS 671J OCSD OCSD CA
760-575 U.S. TELEPACIFIC CORP. DBA TPX COMMUNICATIONS 671J OCSD PDTN CA
760-607 U.S. TELEPACIFIC CORP. DBA TPX COMMUNICATIONS 671J OCSD CRLS CA
760-679 U.S. TELEPACIFIC CORP. DBA TPX COMMUNICATIONS 671J EL CENTRO CA
760-708 U.S. TELEPACIFIC CORP. DBA TPX COMMUNICATIONS 671J ESCONDIDO CA
760-759 U.S. TELEPACIFIC CORP. DBA TPX COMMUNICATIONS 671J SAN MARCOS CA
760-871 U.S. TELEPACIFIC CORP. DBA TPX COMMUNICATIONS 671J ESCONDIDO CA
781-851 U.S. TELEPACIFIC CORP. DBA TPX COMMUNICATIONS 671J MALDEN MA
805-222 U.S. TELEPACIFIC CORP. DBA TPX COMMUNICATIONS 671J MOORPARK CA
805-232 U.S. TELEPACIFIC CORP. DBA TPX COMMUNICATIONS 671J VNTRA CNTL CA
805-269 U.S. TELEPACIFIC CORP. DBA TPX COMMUNICATIONS 671J SNLUSOBSPO CA
805-413 U.S. TELEPACIFIC CORP. DBA TPX COMMUNICATIONS 671J THOUSAOAKS CA
805-500 U.S. TELEPACIFIC CORP. DBA TPX COMMUNICATIONS 671J OAKVIEW CA
805-620 U.S. TELEPACIFIC CORP. DBA TPX COMMUNICATIONS 671J VNTRA EAST CA
805-626 U.S. TELEPACIFIC CORP. DBA TPX COMMUNICATIONS 671J VNTRA CNTL CA
805-719 U.S. TELEPACIFIC CORP. DBA TPX COMMUNICATIONS 671J THOUSAOAKS CA
805-751 U.S. TELEPACIFIC CORP. DBA TPX COMMUNICATIONS 671J EL RIO CA

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.