NumberResearch Membership · Data 09/30/2026

Recent thousands-block assignments

855 blocks assigned in the last 30 days · from the daily NANPA thousands-block report, 09/30/2026

Full prefixes (NXX) Thousands-blocks (1,000-number pools)

Most carrier growth happens here, not at the prefix level: under number pooling, carriers receive individual 1,000-number blocks (e.g. 626-470-0XXX) within already-assigned prefixes. Assignments are initial assignments — the current serving carrier of individual numbers may differ due to portability.

Most active assignees, last 30 days
NEW CINGULAR WIRELESS PCS, LLC - DC 325
NEW CINGULAR WIRELESS PCS, LLC - IL 261
NEW CINGULAR WIRELESS PCS, LLC - GA 136
NEW CINGULAR WIRELESS PCS, LLC 133
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 thousands-block assignments
AssignedThousands-blockLast 4 digitsStatusAssigneeOCNRate centerState
2011-09-13 415-361-2XXX 2000–2999Assigned NEW CINGULAR WIRELESS PCS, LLC 6010 SNFC CNTRL CA
2011-09-13 415-361-3XXX 3000–3999Assigned NEW CINGULAR WIRELESS PCS, LLC 6010 SNFC CNTRL CA
2011-09-13 503-438-9XXX 9000–9999Assigned NEW CINGULAR WIRELESS PCS, LLC 6010 ST HELENS OR
2011-09-13 510-358-5XXX 5000–5999Assigned NEW CINGULAR WIRELESS PCS, LLC 6010 FRNK MAIN CA
2011-09-13 510-358-6XXX 6000–6999Assigned NEW CINGULAR WIRELESS PCS, LLC 6010 FRNK MAIN CA
2011-09-13 541-399-7XXX 7000–7999Assigned NEW CINGULAR WIRELESS PCS, LLC 6010 HOOD RIVER OR
2011-09-13 559-514-2XXX 2000–2999Assigned NEW CINGULAR WIRELESS PCS, LLC 6010 MADERA CA
2011-09-13 559-544-4XXX 4000–4999Assigned NEW CINGULAR WIRELESS PCS, LLC 6010 PORTERVL CA
2011-09-13 574-516-7XXX 7000–7999Assigned NEW CINGULAR WIRELESS PCS, LLC - IL 6534 LOGANSPORT IN
2011-09-13 707-853-8XXX 8000–8999Assigned NEW CINGULAR WIRELESS PCS, LLC 6010 VALLEJO CA
2011-09-13 803-572-6XXX 6000–6999Assigned NEW CINGULAR WIRELESS PCS, LLC - GA 6214 CAMDEN SC
2011-09-13 910-242-6XXX 6000–6999Assigned NEW CINGULAR WIRELESS PCS, LLC - GA 6214 LILLINGTON NC
2011-09-13 916-945-1XXX 1000–1999Assigned NEW CINGULAR WIRELESS PCS, LLC 6010 RSVL MAIN CA
2011-09-12 217-418-7XXX 7000–7999Assigned NEW CINGULAR WIRELESS PCS, LLC - IL 6534 CHAMPAURBN IL
2011-09-12 224-243-1XXX 1000–1999Assigned NEW CINGULAR WIRELESS PCS, LLC - IL 6534 FOX LAKE IL
2011-09-12 239-658-4XXX 4000–4999Assigned NEW CINGULAR WIRELESS PCS, LLC - GA 6214 IMMOKALEE FL
2011-09-12 269-339-5XXX 5000–5999Assigned NEW CINGULAR WIRELESS PCS, LLC - IL 6534 BATTLE CRK MI
2011-09-12 316-882-3XXX 3000–3999Assigned NEW CINGULAR WIRELESS PCS, LLC - IL 6534 WICHITA KS
2011-09-12 620-314-7XXX 7000–7999Assigned NEW CINGULAR WIRELESS PCS, LLC - IL 6534 HUTCHINSON KS
2011-09-12 715-301-6XXX 6000–6999Assigned NEW CINGULAR WIRELESS PCS, LLC - IL 6534 WAUSAU WI
2011-09-12 785-409-0XXX 0000–0999Assigned NEW CINGULAR WIRELESS PCS, LLC - IL 6534 TOPEKA KS
2011-09-12 785-477-7XXX 7000–7999Assigned NEW CINGULAR WIRELESS PCS, LLC - IL 6534 MANHATTAN KS
2011-09-12 864-323-8XXX 8000–8999Assigned NEW CINGULAR WIRELESS PCS, LLC - GA 6214 GREENWOOD SC
2011-09-12 913-689-5XXX 5000–5999Assigned NEW CINGULAR WIRELESS PCS, LLC - IL 6534 KANSASCITY KS
2011-09-09 262-278-8XXX 8000–8999Assigned NEW CINGULAR WIRELESS PCS, LLC - IL 6534 WAUKESHA WI
2011-09-09 808-321-5XXX 5000–5999Assigned NEW CINGULAR WIRELESS PCS, LLC 6010 HONOLULU HI
2011-09-09 808-321-6XXX 6000–6999Assigned NEW CINGULAR WIRELESS PCS, LLC 6010 HONOLULU HI
2011-09-09 808-321-7XXX 7000–7999Assigned NEW CINGULAR WIRELESS PCS, LLC 6010 HONOLULU HI
2011-09-09 808-321-8XXX 8000–8999Assigned NEW CINGULAR WIRELESS PCS, LLC 6010 HONOLULU HI
2011-09-09 808-419-8XXX 8000–8999Assigned NEW CINGULAR WIRELESS PCS, LLC 6010 WAILUKU HI
2011-09-09 808-629-9XXX 9000–9999Assigned NEW CINGULAR WIRELESS PCS, LLC 6010 HONOLULU HI
2011-09-09 907-231-0XXX 0000–0999Assigned NEW CINGULAR WIRELESS PCS, LLC 6010 ANCHORAGE AK
2011-09-09 907-231-1XXX 1000–1999Assigned NEW CINGULAR WIRELESS PCS, LLC 6010 ANCHORAGE AK
2011-09-09 907-231-9XXX 9000–9999Assigned NEW CINGULAR WIRELESS PCS, LLC 6010 ANCHORAGE AK
2011-09-09 907-414-0XXX 0000–0999Assigned NEW CINGULAR WIRELESS PCS, LLC 6010 WASILLA AK
2011-09-09 920-557-1XXX 1000–1999Assigned NEW CINGULAR WIRELESS PCS, LLC - IL 6534 BEAVER DAM WI
2011-09-08 561-221-3XXX 3000–3999Assigned NEW CINGULAR WIRELESS PCS, LLC - GA 6214 BOCA RATON FL
2011-09-08 561-221-4XXX 4000–4999Assigned NEW CINGULAR WIRELESS PCS, LLC - GA 6214 BOCA RATON FL
2011-09-08 561-221-5XXX 5000–5999Assigned NEW CINGULAR WIRELESS PCS, LLC - GA 6214 BOCA RATON FL
2011-09-07 208-391-8XXX 8000–8999Assigned NEW CINGULAR WIRELESS PCS, LLC 6010 BOISE ID
2011-09-07 208-391-9XXX 9000–9999Assigned NEW CINGULAR WIRELESS PCS, LLC 6010 BOISE ID
2011-09-07 402-507-6XXX 6000–6999Assigned NEW CINGULAR WIRELESS PCS, LLC - IL 6534 OMAHA NE
2011-09-07 402-507-7XXX 7000–7999Assigned NEW CINGULAR WIRELESS PCS, LLC - IL 6534 OMAHA NE
2011-09-07 408-767-0XXX 0000–0999Assigned NEW CINGULAR WIRELESS PCS, LLC 6010 GILROY CA
2011-09-07 925-322-9XXX 9000–9999Assigned NEW CINGULAR WIRELESS PCS, LLC 6010 WALNUT CRK CA
2011-09-07 925-918-5XXX 5000–5999Assigned NEW CINGULAR WIRELESS PCS, LLC 6010 PLEASANTON CA
2011-09-06 320-360-8XXX 8000–8999Assigned NEW CINGULAR WIRELESS PCS, LLC - IL 6534 LITTLE FLS MN
2011-09-06 570-616-7XXX 7000–7999Assigned NEW CINGULAR WIRELESS PCS, LLC - DC 4036 HONESDALE PA
2011-09-06 570-699-9XXX 9000–9999Assigned NEW CINGULAR WIRELESS PCS, LLC - DC 4036 TOWANDA PA
2011-09-06 570-939-7XXX 7000–7999Assigned NEW CINGULAR WIRELESS PCS, LLC - DC 4036 LEWISBURG PA

Source: NANPA Thousands Block Assignment Report (All Regions, Public), file date 09/30/2026 — Tier A primary source, refreshed on every import. Viewing is free; bulk downloads require a membership.