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
2021-07-22 563-330 NEW CINGULAR WIRELESS PCS, LLC - IL 6534 MONONA IA
2021-07-22 641-240 NEW CINGULAR WIRELESS PCS, LLC - IL 6534 UNIONVILLE IA
2021-07-21 712-408 NEW CINGULAR WIRELESS PCS, LLC - IL 6534 NO HOPKINS IA
2021-07-20 563-314 NEW CINGULAR WIRELESS PCS, LLC - IL 6534 DORCHESTER IA
2021-07-20 563-317 NEW CINGULAR WIRELESS PCS, LLC - IL 6534 SOSPGGROVE IA
2021-07-19 563-310 NEW CINGULAR WIRELESS PCS, LLC - IL 6534 HAWKEYE IA
2021-07-19 563-312 NEW CINGULAR WIRELESS PCS, LLC - IL 6534 LOSTNATION IA
2021-07-19 641-246 NEW CINGULAR WIRELESS PCS, LLC - IL 6534 NORA SPG IA
2021-07-19 641-249 NEW CINGULAR WIRELESS PCS, LLC - IL 6534 LINEVILLE IA
2021-07-19 641-719 NEW CINGULAR WIRELESS PCS, LLC - IL 6534 CLEMONS IA
2021-07-15 308-461 NEW CINGULAR WIRELESS PCS, LLC - IL 6534 NO LONG IS NE
2021-07-12 269-318 NEW CINGULAR WIRELESS PCS, LLC - IL 6534 BATTLE CRK MI
2021-07-09 419-814 NEW CINGULAR WIRELESS PCS, LLC - IL 6534 MANSFIELD OH
2021-07-07 326-202 NEW CINGULAR WIRELESS PCS, LLC - IL 6534 DAYTON OH
2021-07-07 708-353 NEW CINGULAR WIRELESS PCS, LLC - IL 6534 LA GRANGE IL
2021-06-18 618-750 NEW CINGULAR WIRELESS PCS, LLC - IL 6534 COLLINSVL IL
2021-06-16 308-356 NEW CINGULAR WIRELESS PCS, LLC - IL 6534 BARTLETT NE
2021-06-16 308-410 NEW CINGULAR WIRELESS PCS, LLC - IL 6534 BRADY NE
2021-06-16 308-412 NEW CINGULAR WIRELESS PCS, LLC - IL 6534 EUSTIS NE
2021-06-16 308-413 NEW CINGULAR WIRELESS PCS, LLC - IL 6534 THEDFORD NE
2021-06-16 308-416 NEW CINGULAR WIRELESS PCS, LLC - IL 6534 CURTIS NE
2021-06-16 308-431 NEW CINGULAR WIRELESS PCS, LLC - IL 6534 FARNAM NE
2021-06-16 308-435 NEW CINGULAR WIRELESS PCS, LLC - IL 6534 MERNA NE
2021-06-16 308-441 NEW CINGULAR WIRELESS PCS, LLC - IL 6534 NO BURWELL NE
2021-06-16 308-442 NEW CINGULAR WIRELESS PCS, LLC - IL 6534 MAYWOOD NE
2021-06-16 308-454 NEW CINGULAR WIRELESS PCS, LLC - IL 6534 MAXWELL NE
2021-06-16 308-481 NEW CINGULAR WIRELESS PCS, LLC - IL 6534 HOLBROOK NE
2021-06-16 308-491 NEW CINGULAR WIRELESS PCS, LLC - IL 6534 GRANT NE
2021-06-16 308-495 NEW CINGULAR WIRELESS PCS, LLC - IL 6534 HERSHEY NE
2021-06-16 308-509 NEW CINGULAR WIRELESS PCS, LLC - IL 6534 MADRID NE
2021-06-16 308-554 NEW CINGULAR WIRELESS PCS, LLC - IL 6534 GIBBON NE
2021-06-16 308-599 NEW CINGULAR WIRELESS PCS, LLC - IL 6534 LITCHFIELD NE
2021-06-09 447-204 NEW CINGULAR WIRELESS PCS, LLC - IL 6534 LA HARPE IL
2021-06-07 224-389 NEW CINGULAR WIRELESS PCS, LLC - IL 6534 ALGONQUIN IL
2021-05-27 641-282 NEW CINGULAR WIRELESS PCS, LLC - IL 6534 SOUTHADAMS IA
2021-05-26 636-218 NEW CINGULAR WIRELESS PCS, LLC - IL 6534 MAXVILLE MO
2021-05-25 641-241 NEW CINGULAR WIRELESS PCS, LLC - IL 6534 FONTANELLE IA
2021-05-25 641-245 NEW CINGULAR WIRELESS PCS, LLC - IL 6534 PRESCOTT IA
2021-05-25 641-248 NEW CINGULAR WIRELESS PCS, LLC - IL 6534 OLLIE IA
2021-05-25 641-288 NEW CINGULAR WIRELESS PCS, LLC - IL 6534 AMUND IA
2021-05-25 641-382 NEW CINGULAR WIRELESS PCS, LLC - IL 6534 BAILEY IA
2021-05-17 580-391 NEW CINGULAR WIRELESS PCS, LLC - IL 6534 CADDO OK
2021-05-17 708-791 NEW CINGULAR WIRELESS PCS, LLC - IL 6534 LA GRANGE IL
2021-05-06 308-405 NEW CINGULAR WIRELESS PCS, LLC - IL 6534 COZAD NE
2021-05-05 314-850 NEW CINGULAR WIRELESS PCS, LLC - IL 6534 LADUE MO
2021-05-04 618-682 NEW CINGULAR WIRELESS PCS, LLC - IL 6534 CENTRALIA IL
2021-04-30 309-630 NEW CINGULAR WIRELESS PCS, LLC - IL 6534 NOHENDERSN IL
2021-04-29 765-568 NEW CINGULAR WIRELESS PCS, LLC - IL 6534 ANDERSON IN
2021-04-28 531-265 NEW CINGULAR WIRELESS PCS, LLC - IL 6534 SOSIOUX CY NE
2021-04-22 248-389 NEW CINGULAR WIRELESS PCS, LLC - IL 6534 SOUTHFIELD MI

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.