NumberResearch Membership · Data 09/19/2026

Recent prefix assignments

77 prefixes assigned in the last 30 days · from the daily NANPA CO code file, 09/19/2026

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 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
317-403 NEW CINGULAR WIRELESS PCS, LLC - IL 6534 INDIANAPLS IN
317-410 NEW CINGULAR WIRELESS PCS, LLC - IL 6534 INDIANAPLS IN
317-435 NEW CINGULAR WIRELESS PCS, LLC - IL 6534 INDIANAPLS IN
317-440 NEW CINGULAR WIRELESS PCS, LLC - IL 6534 INDIANAPLS IN
317-441 NEW CINGULAR WIRELESS PCS, LLC - IL 6534 INDIANAPLS IN
317-442 NEW CINGULAR WIRELESS PCS, LLC - IL 6534 INDIANAPLS IN
317-443 NEW CINGULAR WIRELESS PCS, LLC - IL 6534 INDIANAPLS IN
317-445 NEW CINGULAR WIRELESS PCS, LLC - IL 6534 INDIANAPLS IN
317-446 NEW CINGULAR WIRELESS PCS, LLC - IL 6534 INDIANAPLS IN
317-459 NEW CINGULAR WIRELESS PCS, LLC - IL 6534 INDIANAPLS IN
317-625 NEW CINGULAR WIRELESS PCS, LLC - IL 6534 INDIANAPLS IN
317-626 NEW CINGULAR WIRELESS PCS, LLC - IL 6534 INDIANAPLS IN
317-627 NEW CINGULAR WIRELESS PCS, LLC - IL 6534 INDIANAPLS IN
317-730 NEW CINGULAR WIRELESS PCS, LLC - IL 6534 INDIANAPLS IN
317-796 NEW CINGULAR WIRELESS PCS, LLC - IL 6534 INDIANAPLS IN
317-797 NEW CINGULAR WIRELESS PCS, LLC - IL 6534 INDIANAPLS IN
317-840 NEW CINGULAR WIRELESS PCS, LLC - IL 6534 INDIANAPLS IN
317-850 NEW CINGULAR WIRELESS PCS, LLC - IL 6534 INDIANAPLS IN
317-902 NEW CINGULAR WIRELESS PCS, LLC - IL 6534 INDIANAPLS IN
317-919 NEW CINGULAR WIRELESS PCS, LLC - IL 6534 INDIANAPLS IN
317-946 NEW CINGULAR WIRELESS PCS, LLC - IL 6534 INDIANAPLS IN
317-965 NEW CINGULAR WIRELESS PCS, LLC - IL 6534 INDIANAPLS IN
317-966 NEW CINGULAR WIRELESS PCS, LLC - IL 6534 INDIANAPLS IN
317-979 NEW CINGULAR WIRELESS PCS, LLC - IL 6534 INDIANAPLS IN
317-989 NEW CINGULAR WIRELESS PCS, LLC - IL 6534 INDIANAPLS IN
317-997 NEW CINGULAR WIRELESS PCS, LLC - IL 6534 INDIANAPLS IN
318-201 NEW CINGULAR WIRELESS PCS, LLC - GA 6214 ALEXANDRIA LA
318-218 NEW CINGULAR WIRELESS PCS, LLC - GA 6214 SHREVEPORT LA
318-229 NEW CINGULAR WIRELESS PCS, LLC - GA 6214 ALEXANDRIA LA
318-243 NEW CINGULAR WIRELESS PCS, LLC - GA 6214 RUSTON LA
318-267 NEW CINGULAR WIRELESS PCS, LLC - GA 6214 MONROE LA
318-290 NEW CINGULAR WIRELESS PCS, LLC - GA 6214 ALEXANDRIA LA
318-308 NEW CINGULAR WIRELESS PCS, LLC - GA 6214 ALEXANDRIA LA
318-347 NEW CINGULAR WIRELESS PCS, LLC - GA 6214 SHREVEPORT LA
318-348 NEW CINGULAR WIRELESS PCS, LLC - GA 6214 MONROE LA
318-393 NEW CINGULAR WIRELESS PCS, LLC - GA 6214 SHREVEPORT LA
318-403 NEW CINGULAR WIRELESS PCS, LLC - GA 6214 JONESVILLE LA
318-419 NEW CINGULAR WIRELESS PCS, LLC - GA 6214 ALEXANDRIA LA
318-426 NEW CINGULAR WIRELESS PCS, LLC - GA 6214 SHREVEPORT LA
318-438 NEW CINGULAR WIRELESS PCS, LLC - GA 6214 NATCHITCHS LA
318-447 NEW CINGULAR WIRELESS PCS, LLC - GA 6214 ALEXANDRIA LA
318-452 NEW CINGULAR WIRELESS PCS, LLC - GA 6214 ALEXANDRIA LA
318-458 NEW CINGULAR WIRELESS PCS, LLC - GA 6214 SHREVEPORT LA
318-469 NEW CINGULAR WIRELESS PCS, LLC - GA 6214 SHREVEPORT LA
318-470 NEW CINGULAR WIRELESS PCS, LLC - GA 6214 SHREVEPORT LA
318-481 NEW CINGULAR WIRELESS PCS, LLC - GA 6214 ALEXANDRIA LA
318-518 NEW CINGULAR WIRELESS PCS, LLC - GA 6214 SHREVEPORT LA
318-547 NEW CINGULAR WIRELESS PCS, LLC - GA 6214 MONROE LA
318-564 NEW CINGULAR WIRELESS PCS, LLC - GA 6214 SHREVEPORT LA
318-613 NEW CINGULAR WIRELESS PCS, LLC - GA 6214 ALEXANDRIA LA

Source: NANPA CO Code Assignments (Utilized, All States, Public), file date 09/19/2026 — Tier A primary source, refreshed on every import. Viewing is free; bulk downloads require a membership.