NumberResearch Membership · Data 09/18/2026

Recent prefix assignments

33 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
NEW CINGULAR WIRELESS PCS, LLC - IL 33
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
2019-10-07 320-425 NEW CINGULAR WIRELESS PCS, LLC - IL 6534 BRAHAM MN
2019-10-07 507-730 NEW CINGULAR WIRELESS PCS, LLC - IL 6534 WINONA MN
2019-10-07 708-676 NEW CINGULAR WIRELESS PCS, LLC - IL 6534 FOREST IL
2019-10-07 779-264 NEW CINGULAR WIRELESS PCS, LLC - IL 6534 KANKAKEE IL
2019-10-07 989-294 NEW CINGULAR WIRELESS PCS, LLC - IL 6534 MIDLAND MI
2019-10-03 937-761 NEW CINGULAR WIRELESS PCS, LLC - IL 6534 TROY OH
2019-09-25 712-927 NEW CINGULAR WIRELESS PCS, LLC - IL 6534 SIOUX CITY IA
2019-09-23 314-648 NEW CINGULAR WIRELESS PCS, LLC - IL 6534 CREVECOEUR MO
2019-09-18 469-705 NEW CINGULAR WIRELESS PCS, LLC - IL 6534 GRANDPRARI TX
2019-09-18 956-394 NEW CINGULAR WIRELESS PCS, LLC - IL 6534 LAREDO TX
2019-09-17 216-294 NEW CINGULAR WIRELESS PCS, LLC - IL 6534 CLEVELAND OH
2019-08-30 815-613 NEW CINGULAR WIRELESS PCS, LLC - IL 6534 DIXON IL
2019-08-20 314-697 NEW CINGULAR WIRELESS PCS, LLC - IL 6534 KIRKWOOD MO
2019-08-08 515-553 NEW CINGULAR WIRELESS PCS, LLC - IL 6534 DES MOINES IA
2019-08-07 361-253 NEW CINGULAR WIRELESS PCS, LLC - IL 6534 C CHRISTI TX
2019-08-07 430-262 NEW CINGULAR WIRELESS PCS, LLC - IL 6534 SHERMAN TX
2019-07-26 816-681 NEW CINGULAR WIRELESS PCS, LLC - IL 6534 KANSASCITY MO
2019-07-24 956-308 NEW CINGULAR WIRELESS PCS, LLC - IL 6534 LAREDO TX
2019-07-16 708-635 NEW CINGULAR WIRELESS PCS, LLC - IL 6534 ORLAND IL
2019-07-11 430-258 NEW CINGULAR WIRELESS PCS, LLC - IL 6534 MARSHALL TX
2019-06-27 248-873 NEW CINGULAR WIRELESS PCS, LLC - IL 6534 FARMINGTON MI
2019-06-27 972-799 NEW CINGULAR WIRELESS PCS, LLC - IL 6534 GRANDPRARI TX
2019-06-25 712-638 NEW CINGULAR WIRELESS PCS, LLC - IL 6534 STORM LAKE IA
2019-06-12 469-669 NEW CINGULAR WIRELESS PCS, LLC - IL 6534 CARROLLTON TX
2019-06-10 531-232 NEW CINGULAR WIRELESS PCS, LLC - IL 6534 OMAHA NE
2019-05-23 361-251 NEW CINGULAR WIRELESS PCS, LLC - IL 6534 C CHRISTI TX
2019-05-10 317-779 NEW CINGULAR WIRELESS PCS, LLC - IL 6534 INDIANAPLS IN
2019-05-07 956-471 NEW CINGULAR WIRELESS PCS, LLC - IL 6534 LAREDO TX
2019-04-29 314-634 NEW CINGULAR WIRELESS PCS, LLC - IL 6534 KIRKWOOD MO
2019-04-29 816-634 NEW CINGULAR WIRELESS PCS, LLC - IL 6534 KANSASCITY MO
2019-04-15 920-501 NEW CINGULAR WIRELESS PCS, LLC - IL 6534 GREEN BAY WI
2019-04-11 469-613 NEW CINGULAR WIRELESS PCS, LLC - IL 6534 PLANO TX
2019-03-19 361-206 NEW CINGULAR WIRELESS PCS, LLC - IL 6534 C CHRISTI TX
2019-03-18 224-285 NEW CINGULAR WIRELESS PCS, LLC - IL 6534 DEERFIELD IL
2019-03-12 947-215 NEW CINGULAR WIRELESS PCS, LLC - IL 6534 SOUTHFIELD MI
2019-02-26 314-759 NEW CINGULAR WIRELESS PCS, LLC - IL 6534 KIRKWOOD MO
2019-02-12 479-360 NEW CINGULAR WIRELESS PCS, LLC - IL 6534 BENTONVL AR
2019-02-12 501-298 NEW CINGULAR WIRELESS PCS, LLC - IL 6534 SPRINGLAKE AR
2019-02-06 469-668 NEW CINGULAR WIRELESS PCS, LLC - IL 6534 PLANO TX
2019-02-06 682-287 NEW CINGULAR WIRELESS PCS, LLC - IL 6534 GLENDALE TX
2019-01-28 810-529 NEW CINGULAR WIRELESS PCS, LLC - IL 6534 LAPEER MI
2019-01-23 346-379 NEW CINGULAR WIRELESS PCS, LLC - IL 6534 CYPRESS TX
2019-01-22 254-346 NEW CINGULAR WIRELESS PCS, LLC - IL 6534 BELTON TX
2019-01-22 979-274 NEW CINGULAR WIRELESS PCS, LLC - IL 6534 BELLVILLE TX
2019-01-17 346-377 NEW CINGULAR WIRELESS PCS, LLC - IL 6534 LANGHAMCRK TX
2019-01-17 432-246 NEW CINGULAR WIRELESS PCS, LLC - IL 6534 TERMINAL TX
2019-01-17 469-594 NEW CINGULAR WIRELESS PCS, LLC - IL 6534 GRANDPRARI TX
2019-01-08 469-590 NEW CINGULAR WIRELESS PCS, LLC - IL 6534 FRISCO TX
2019-01-03 361-342 NEW CINGULAR WIRELESS PCS, LLC - IL 6534 C CHRISTI TX
2018-12-20 254-345 NEW CINGULAR WIRELESS PCS, LLC - IL 6534 COPPERASCV TX

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.