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
2020-10-15 308-361 NEW CINGULAR WIRELESS PCS, LLC - IL 6534 EDISON NE
2020-10-15 308-400 NEW CINGULAR WIRELESS PCS, LLC - IL 6534 ORD NE
2020-10-15 308-422 NEW CINGULAR WIRELESS PCS, LLC - IL 6534 WILSONVL NE
2020-10-15 531-266 NEW CINGULAR WIRELESS PCS, LLC - IL 6534 RUSKIN NE
2020-10-14 217-939 NEW CINGULAR WIRELESS PCS, LLC - IL 6534 WINCHESTER IL
2020-10-13 469-903 NEW CINGULAR WIRELESS PCS, LLC - IL 6534 GRANDPRARI TX
2020-10-12 479-399 NEW CINGULAR WIRELESS PCS, LLC - IL 6534 ROGERS AR
2020-10-08 308-316 NEW CINGULAR WIRELESS PCS, LLC - IL 6534 POTTER NE
2020-10-08 308-319 NEW CINGULAR WIRELESS PCS, LLC - IL 6534 SO ARDMORE NE
2020-10-08 308-342 NEW CINGULAR WIRELESS PCS, LLC - IL 6534 WHITECLAY NE
2020-10-05 501-445 NEW CINGULAR WIRELESS PCS, LLC - IL 6534 HOTSPRINGS AR
2020-09-29 636-210 NEW CINGULAR WIRELESS PCS, LLC - IL 6534 UNION MO
2020-09-28 737-280 NEW CINGULAR WIRELESS PCS, LLC - IL 6534 AUSTIN TX
2020-09-22 469-891 NEW CINGULAR WIRELESS PCS, LLC - IL 6534 PLANO TX
2020-09-21 319-324 NEW CINGULAR WIRELESS PCS, LLC - IL 6534 BRIGHTON IA
2020-09-21 479-397 NEW CINGULAR WIRELESS PCS, LLC - IL 6534 FORT SMITH AR
2020-09-21 636-245 NEW CINGULAR WIRELESS PCS, LLC - IL 6534 MAXVILLE MO
2020-09-21 641-274 NEW CINGULAR WIRELESS PCS, LLC - IL 6534 LOVILIA IA
2020-09-21 870-618 NEW CINGULAR WIRELESS PCS, LLC - IL 6534 EL DORADO AR
2020-09-16 430-278 NEW CINGULAR WIRELESS PCS, LLC - IL 6534 TEXARKANA TX
2020-09-16 682-336 NEW CINGULAR WIRELESS PCS, LLC - IL 6534 ARLINGTON TX
2020-09-16 737-276 NEW CINGULAR WIRELESS PCS, LLC - IL 6534 KYLE TX
2020-09-08 507-739 NEW CINGULAR WIRELESS PCS, LLC - IL 6534 MANKATO MN
2020-09-02 313-479 NEW CINGULAR WIRELESS PCS, LLC - IL 6534 DETROITZN6 MI
2020-08-26 580-360 NEW CINGULAR WIRELESS PCS, LLC - IL 6534 LAWTON OK
2020-08-25 269-289 NEW CINGULAR WIRELESS PCS, LLC - IL 6534 BATTLE CRK MI
2020-08-17 636-201 NEW CINGULAR WIRELESS PCS, LLC - IL 6534 WARRENTON MO
2020-08-14 479-396 NEW CINGULAR WIRELESS PCS, LLC - IL 6534 FAYETTEVL AR
2020-08-05 507-719 NEW CINGULAR WIRELESS PCS, LLC - IL 6534 MANKATO MN
2020-08-05 641-277 NEW CINGULAR WIRELESS PCS, LLC - IL 6534 OTTUMWA IA
2020-08-03 469-870 NEW CINGULAR WIRELESS PCS, LLC - IL 6534 GRANDPRARI TX
2020-07-30 254-397 NEW CINGULAR WIRELESS PCS, LLC - IL 6534 KILLEEN TX
2020-07-30 469-861 NEW CINGULAR WIRELESS PCS, LLC - IL 6534 MCKINNEY TX
2020-07-30 682-329 NEW CINGULAR WIRELESS PCS, LLC - IL 6534 GLENDALE TX
2020-07-30 936-299 NEW CINGULAR WIRELESS PCS, LLC - IL 6534 LUFKIN TX
2020-07-29 479-392 NEW CINGULAR WIRELESS PCS, LLC - IL 6534 FORT SMITH AR
2020-07-28 412-679 NEW CINGULAR WIRELESS PCS, LLC - IL 6534 PTTSBGZON7 PA
2020-07-21 409-258 NEW CINGULAR WIRELESS PCS, LLC - IL 6534 GALVESTON TX
2020-07-17 219-265 NEW CINGULAR WIRELESS PCS, LLC - IL 6534 VALPARAISO IN
2020-07-17 463-235 NEW CINGULAR WIRELESS PCS, LLC - IL 6534 SHELBYVL IN
2020-07-10 479-389 NEW CINGULAR WIRELESS PCS, LLC - IL 6534 ROGERS AR
2020-07-10 870-789 NEW CINGULAR WIRELESS PCS, LLC - IL 6534 EL DORADO AR
2020-07-09 979-334 NEW CINGULAR WIRELESS PCS, LLC - IL 6534 ANGLETON TX
2020-07-08 501-431 NEW CINGULAR WIRELESS PCS, LLC - IL 6534 HOTSPRINGS AR
2020-06-30 507-737 NEW CINGULAR WIRELESS PCS, LLC - IL 6534 MANKATO MN
2020-06-25 430-274 NEW CINGULAR WIRELESS PCS, LLC - IL 6534 TEXARKANA TX
2020-06-25 681-326 NEW CINGULAR WIRELESS PCS, LLC - IL 6534 PRKRSBGZN1 WV
2020-06-16 319-323 NEW CINGULAR WIRELESS PCS, LLC - IL 6534 OELWEIN IA
2020-06-11 469-841 NEW CINGULAR WIRELESS PCS, LLC - IL 6534 GRANDPRARI TX
2020-06-09 269-261 NEW CINGULAR WIRELESS PCS, LLC - IL 6534 BATTLE CRK 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.