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
574-518 NEW CINGULAR WIRELESS PCS, LLC - IL 6534 SYRACUSE IN
574-521 NEW CINGULAR WIRELESS PCS, LLC - IL 6534 SYRACUSE IN
574-549 NEW CINGULAR WIRELESS PCS, LLC - IL 6534 WARSAW IN
574-551 NEW CINGULAR WIRELESS PCS, LLC - IL 6534 WARSAW IN
574-581 NEW CINGULAR WIRELESS PCS, LLC - IL 6534 MONTICELLO IN
574-603 NEW CINGULAR WIRELESS PCS, LLC - IL 6534 BURNETTSVL IN
574-702 NEW CINGULAR WIRELESS PCS, LLC - IL 6534 LOGANSPORT IN
574-721 NEW CINGULAR WIRELESS PCS, LLC - IL 6534 LOGANSPORT IN
574-727 NEW CINGULAR WIRELESS PCS, LLC - IL 6534 LOGANSPORT IN
574-806 NEW CINGULAR WIRELESS PCS, LLC - IL 6534 KNOX IN
574-817 NEW CINGULAR WIRELESS PCS, LLC - IL 6534 KEWANNA IN
574-835 NEW CINGULAR WIRELESS PCS, LLC - IL 6534 ROCHESTER IN
574-910 NEW CINGULAR WIRELESS PCS, LLC - IL 6534 WALKERTON IN
574-952 NEW CINGULAR WIRELESS PCS, LLC - IL 6534 ARGOS IN
574-993 NEW CINGULAR WIRELESS PCS, LLC - IL 6534 SOUTH BEND IN
575-390 NEW CINGULAR WIRELESS PCS, LLC - IL 6534 HOBBS NM
575-447 NEW CINGULAR WIRELESS PCS, LLC - IL 6534 RATON NM
575-631 NEW CINGULAR WIRELESS PCS, LLC - IL 6534 HOBBS NM
575-636 NEW CINGULAR WIRELESS PCS, LLC - IL 6534 LAS CRUCES NM
575-639 NEW CINGULAR WIRELESS PCS, LLC - IL 6534 LAS CRUCES NM
575-642 NEW CINGULAR WIRELESS PCS, LLC - IL 6534 LAS CRUCES NM
575-643 NEW CINGULAR WIRELESS PCS, LLC - IL 6534 RATON NM
575-714 NEW CINGULAR WIRELESS PCS, LLC - IL 6534 CLOVIS NM
575-760 NEW CINGULAR WIRELESS PCS, LLC - IL 6534 CLOVIS NM
575-799 NEW CINGULAR WIRELESS PCS, LLC - IL 6534 CLOVIS NM
580-207 NEW CINGULAR WIRELESS PCS, LLC - IL 6534 ATOKA OK
580-209 NEW CINGULAR WIRELESS PCS, LLC - IL 6534 ANTLERS OK
580-216 NEW CINGULAR WIRELESS PCS, LLC - IL 6534 WOODWARD OK
580-219 NEW CINGULAR WIRELESS PCS, LLC - IL 6534 TISHOMINGO OK
580-231 NEW CINGULAR WIRELESS PCS, LLC - IL 6534 ENID OK
580-262 NEW CINGULAR WIRELESS PCS, LLC - IL 6534 BLACKWELL OK
580-322 NEW CINGULAR WIRELESS PCS, LLC - IL 6534 WAURIKA OK
580-330 NEW CINGULAR WIRELESS PCS, LLC - IL 6534 WEATHERFD OK
580-445 NEW CINGULAR WIRELESS PCS, LLC - IL 6534 CLINTON OK
580-478 NEW CINGULAR WIRELESS PCS, LLC - IL 6534 ENID OK
580-504 NEW CINGULAR WIRELESS PCS, LLC - IL 6534 ARDMORE OK
580-515 NEW CINGULAR WIRELESS PCS, LLC - IL 6534 CLINTON OK
580-541 NEW CINGULAR WIRELESS PCS, LLC - IL 6534 ENID OK
580-542 NEW CINGULAR WIRELESS PCS, LLC - IL 6534 ENID OK
580-554 NEW CINGULAR WIRELESS PCS, LLC - IL 6534 ENID OK
580-583 NEW CINGULAR WIRELESS PCS, LLC - IL 6534 LAWTON OK
580-618 NEW CINGULAR WIRELESS PCS, LLC - IL 6534 SULPHUR OK
580-678 NEW CINGULAR WIRELESS PCS, LLC - IL 6534 LAWTON OK
580-695 NEW CINGULAR WIRELESS PCS, LLC - IL 6534 LAWTON OK
580-705 NEW CINGULAR WIRELESS PCS, LLC - IL 6534 LEEDEY OK
580-716 NEW CINGULAR WIRELESS PCS, LLC - IL 6534 PONCA CITY OK
580-739 NEW CINGULAR WIRELESS PCS, LLC - IL 6534 HOLLIS OK
580-991 NEW CINGULAR WIRELESS PCS, LLC - IL 6534 TONKAWA OK
586-202 NEW CINGULAR WIRELESS PCS, LLC - IL 6534 WARREN MI
586-214 NEW CINGULAR WIRELESS PCS, LLC - IL 6534 WARREN 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.