NumberResearch Membership · Data 2026-04

Recent prefix assignments

77 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
NEW CINGULAR WIRELESS PCS, LLC - IL 31
NEW CINGULAR WIRELESS PCS, LLC - DC 30
NEW CINGULAR WIRELESS PCS, LLC - GA 8
NEW CINGULAR WIRELESS PCS, LLC 8
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
509-641 NEW CINGULAR WIRELESS PCS, LLC 6010 WILBUR WA
509-660 NEW CINGULAR WIRELESS PCS, LLC 6010 RITZVILLE WA
509-668 NEW CINGULAR WIRELESS PCS, LLC 6010 WENATCHEE WA
509-669 NEW CINGULAR WIRELESS PCS, LLC 6010 WENATCHEE WA
509-675 NEW CINGULAR WIRELESS PCS, LLC 6010 COLVILLE WA
509-681 NEW CINGULAR WIRELESS PCS, LLC 6010 COULEECITY WA
509-721 NEW CINGULAR WIRELESS PCS, LLC 6010 DAVENPORT WA
509-733 NEW CINGULAR WIRELESS PCS, LLC 6010 BREWSTER WA
509-750 NEW CINGULAR WIRELESS PCS, LLC 6010 MOSES LAKE WA
509-760 NEW CINGULAR WIRELESS PCS, LLC 6010 MOSES LAKE WA
509-781 NEW CINGULAR WIRELESS PCS, LLC 6010 PROSSER WA
509-840 NEW CINGULAR WIRELESS PCS, LLC 6010 SUNNYSIDE WA
509-863 NEW CINGULAR WIRELESS PCS, LLC 6010 SPOKANE WA
509-899 NEW CINGULAR WIRELESS PCS, LLC 6010 ELLENSBURG WA
509-952 NEW CINGULAR WIRELESS PCS, LLC 6010 YAKIMA WA
509-961 NEW CINGULAR WIRELESS PCS, LLC 6010 YAKIMA WA
509-969 NEW CINGULAR WIRELESS PCS, LLC 6010 YAKIMA WA
509-979 NEW CINGULAR WIRELESS PCS, LLC 6010 SPOKANE WA
509-981 NEW CINGULAR WIRELESS PCS, LLC 6010 SPOKANE WA
509-988 NEW CINGULAR WIRELESS PCS, LLC 6010 ODESSA WA
509-989 NEW CINGULAR WIRELESS PCS, LLC 6010 MOSES LAKE WA
509-990 NEW CINGULAR WIRELESS PCS, LLC 6010 SPOKANE WA
509-994 NEW CINGULAR WIRELESS PCS, LLC 6010 SPOKANE WA
509-995 NEW CINGULAR WIRELESS PCS, LLC 6010 SPOKANE WA
510-206 NEW CINGULAR WIRELESS PCS, LLC 6010 OKLD MN-PD CA
510-207 NEW CINGULAR WIRELESS PCS, LLC 6010 OKLD MN-PD CA
510-219 NEW CINGULAR WIRELESS PCS, LLC 6010 OKLD MN-PD CA
510-220 NEW CINGULAR WIRELESS PCS, LLC 6010 OKLD MN-PD CA
510-289 NEW CINGULAR WIRELESS PCS, LLC 6010 OKLD MN-PD CA
510-303 NEW CINGULAR WIRELESS PCS, LLC 6010 HAYWARD CA
510-304 NEW CINGULAR WIRELESS PCS, LLC 6010 FRNK MAIN CA
510-305 NEW CINGULAR WIRELESS PCS, LLC 6010 HAYWARD CA
510-316 NEW CINGULAR WIRELESS PCS, LLC 6010 OKLD MN-PD CA
510-325 NEW CINGULAR WIRELESS PCS, LLC 6010 OKLD MN-PD CA
510-326 NEW CINGULAR WIRELESS PCS, LLC 6010 OKLD MN-PD CA
510-329 NEW CINGULAR WIRELESS PCS, LLC 6010 HAYWARD CA
510-331 NEW CINGULAR WIRELESS PCS, LLC 6010 HAYWARD CA
510-332 NEW CINGULAR WIRELESS PCS, LLC 6010 OKLD MN-PD CA
510-333 NEW CINGULAR WIRELESS PCS, LLC 6010 OKLD MN-PD CA
510-334 NEW CINGULAR WIRELESS PCS, LLC 6010 RICHMOND CA
510-366 NEW CINGULAR WIRELESS PCS, LLC 6010 FRNK MAIN CA
510-367 NEW CINGULAR WIRELESS PCS, LLC 6010 RICHMOND CA
510-378 NEW CINGULAR WIRELESS PCS, LLC 6010 FRNK MAIN CA
510-384 NEW CINGULAR WIRELESS PCS, LLC 6010 OKLD MN-PD CA
510-386 NEW CINGULAR WIRELESS PCS, LLC 6010 FRNK MAIN CA
510-387 NEW CINGULAR WIRELESS PCS, LLC 6010 OKLD MN-PD CA
510-388 NEW CINGULAR WIRELESS PCS, LLC 6010 OKLD MN-PD CA
510-409 NEW CINGULAR WIRELESS PCS, LLC 6010 OKLD MN-PD CA
510-499 NEW CINGULAR WIRELESS PCS, LLC 6010 OKLD MN-PD CA
510-501 NEW CINGULAR WIRELESS PCS, LLC 6010 OKLD MN-PD 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.