NumberResearch Membership · Data 10/01/2026

Recent thousands-block assignments

838 blocks assigned in the last 30 days · from the daily NANPA thousands-block report, 10/01/2026

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 306
NEW CINGULAR WIRELESS PCS, LLC - IL 261
NEW CINGULAR WIRELESS PCS, LLC - GA 138
NEW CINGULAR WIRELESS PCS, LLC 133
New assignments by month Oct 2026 Sep 2026 Aug 2026 Jul 2026 Jun 2026 May 2026 Apr 2026 Mar 2026 Feb 2026 Jan 2026 Dec 2025 Nov 2025
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Recent thousands-block assignments
AssignedThousands-blockLast 4 digitsStatusAssigneeOCNRate centerState
2013-09-25 361-661-2XXX 2000–2999Assigned NEW CINGULAR WIRELESS PCS, LLC - IL 6534 ALICE TX
2013-09-25 361-827-1XXX 1000–1999Assigned NEW CINGULAR WIRELESS PCS, LLC - IL 6534 VICTORIA TX
2013-09-25 408-816-5XXX 5000–5999Assigned NEW CINGULAR WIRELESS PCS, LLC 6010 SNJS WEST CA
2013-09-25 408-816-6XXX 6000–6999Assigned NEW CINGULAR WIRELESS PCS, LLC 6010 SNJS WEST CA
2013-09-25 415-521-6XXX 6000–6999Assigned NEW CINGULAR WIRELESS PCS, LLC 6010 SAN RAFAEL CA
2013-09-25 415-521-8XXX 8000–8999Assigned NEW CINGULAR WIRELESS PCS, LLC 6010 SAN RAFAEL CA
2013-09-25 415-988-0XXX 0000–0999Assigned NEW CINGULAR WIRELESS PCS, LLC 6010 SNFC JUNPR CA
2013-09-25 415-988-1XXX 1000–1999Assigned NEW CINGULAR WIRELESS PCS, LLC 6010 SNFC JUNPR CA
2013-09-25 415-988-2XXX 2000–2999Assigned NEW CINGULAR WIRELESS PCS, LLC 6010 SNFC JUNPR CA
2013-09-25 415-988-5XXX 5000–5999Assigned NEW CINGULAR WIRELESS PCS, LLC 6010 SNFC JUNPR CA
2013-09-25 530-564-2XXX 2000–2999Assigned NEW CINGULAR WIRELESS PCS, LLC 6010 DAVIS CA
2013-09-25 580-560-3XXX 3000–3999Assigned NEW CINGULAR WIRELESS PCS, LLC - IL 6534 DUNCAN OK
2013-09-25 650-272-1XXX 1000–1999Assigned NEW CINGULAR WIRELESS PCS, LLC 6010 PALO ALTO CA
2013-09-25 650-272-8XXX 8000–8999Assigned NEW CINGULAR WIRELESS PCS, LLC 6010 PALO ALTO CA
2013-09-25 650-825-0XXX 0000–0999Assigned NEW CINGULAR WIRELESS PCS, LLC 6010 SSNFRNCSCO CA
2013-09-25 817-243-7XXX 7000–7999Assigned NEW CINGULAR WIRELESS PCS, LLC - IL 6534 GRANBURY TX
2013-09-25 830-730-3XXX 3000–3999Assigned NEW CINGULAR WIRELESS PCS, LLC - IL 6534 NEWBRANFLS TX
2013-09-25 830-998-6XXX 6000–6999Assigned NEW CINGULAR WIRELESS PCS, LLC - IL 6534 FREDECKSBG TX
2013-09-25 971-317-6XXX 6000–6999Assigned NEW CINGULAR WIRELESS PCS, LLC 6010 BEAVERTON OR
2013-09-25 971-777-4XXX 4000–4999Assigned NEW CINGULAR WIRELESS PCS, LLC 6010 BEAVERTON OR
2013-09-25 971-777-5XXX 5000–5999Assigned NEW CINGULAR WIRELESS PCS, LLC 6010 BEAVERTON OR
2013-09-25 971-777-9XXX 9000–9999Assigned NEW CINGULAR WIRELESS PCS, LLC 6010 BEAVERTON OR
2013-09-25 972-515-9XXX 9000–9999Assigned NEW CINGULAR WIRELESS PCS, LLC - IL 6534 RED OAK TX
2013-09-20 260-564-7XXX 7000–7999Assigned NEW CINGULAR WIRELESS PCS, LLC - IL 6534 ALBION IN
2013-09-20 262-765-6XXX 6000–6999Assigned NEW CINGULAR WIRELESS PCS, LLC - IL 6534 WAUKESHA WI
2013-09-20 412-539-5XXX 5000–5999Assigned NEW CINGULAR WIRELESS PCS, LLC - IL 6534 PTTSBGZON7 PA
2013-09-20 440-406-4XXX 4000–4999Assigned NEW CINGULAR WIRELESS PCS, LLC - IL 6534 ELYRIA OH
2013-09-20 484-447-7XXX 7000–7999Assigned NEW CINGULAR WIRELESS PCS, LLC - DC 4036 POTTSTOWN PA
2013-09-20 484-541-2XXX 2000–2999Assigned NEW CINGULAR WIRELESS PCS, LLC - DC 4036 EASTON PA
2013-09-20 484-541-3XXX 3000–3999Assigned NEW CINGULAR WIRELESS PCS, LLC - DC 4036 EASTON PA
2013-09-20 484-793-2XXX 2000–2999Assigned NEW CINGULAR WIRELESS PCS, LLC - DC 4036 FLEETWOOD PA
2013-09-20 484-862-5XXX 5000–5999Assigned NEW CINGULAR WIRELESS PCS, LLC - DC 4036 ALLENTOWN PA
2013-09-20 484-862-6XXX 6000–6999Assigned NEW CINGULAR WIRELESS PCS, LLC - DC 4036 ALLENTOWN PA
2013-09-20 484-934-4XXX 4000–4999Assigned NEW CINGULAR WIRELESS PCS, LLC - DC 4036 BETHLEHEM PA
2013-09-20 541-213-8XXX 8000–8999Assigned NEW CINGULAR WIRELESS PCS, LLC 6010 BEND OR
2013-09-20 561-419-3XXX 3000–3999Assigned NEW CINGULAR WIRELESS PCS, LLC - GA 6214 BOCA RATON FL
2013-09-20 561-419-4XXX 4000–4999Assigned NEW CINGULAR WIRELESS PCS, LLC - GA 6214 BOCA RATON FL
2013-09-20 561-419-5XXX 5000–5999Assigned NEW CINGULAR WIRELESS PCS, LLC - GA 6214 BOCA RATON FL
2013-09-20 717-494-1XXX 1000–1999Assigned NEW CINGULAR WIRELESS PCS, LLC - DC 4036 MARION PA
2013-09-20 717-617-4XXX 4000–4999Assigned NEW CINGULAR WIRELESS PCS, LLC - DC 4036 LANCASTER PA
2013-09-20 717-982-4XXX 4000–4999Assigned NEW CINGULAR WIRELESS PCS, LLC - DC 4036 HARISBGZN2 PA
2013-09-20 724-466-7XXX 7000–7999Assigned NEW CINGULAR WIRELESS PCS, LLC - IL 6534 UNIONTOWN PA
2013-09-20 765-557-4XXX 4000–4999Assigned NEW CINGULAR WIRELESS PCS, LLC - IL 6534 ELWOOD IN
2013-09-19 208-598-9XXX 9000–9999Assigned NEW CINGULAR WIRELESS PCS, LLC 6010 MT HOME ID
2013-09-19 307-203-5XXX 5000–5999Assigned NEW CINGULAR WIRELESS PCS, LLC 6010 JACKSON WY
2013-09-19 361-720-7XXX 7000–7999Assigned NEW CINGULAR WIRELESS PCS, LLC - IL 6534 KINGSVILLE TX
2013-09-19 401-391-4XXX 4000–4999Assigned NEW CINGULAR WIRELESS PCS, LLC - DC 4036 WARWICK RI
2013-09-19 412-932-3XXX 3000–3999Assigned NEW CINGULAR WIRELESS PCS, LLC - IL 6534 PTTSBGZON1 PA
2013-09-19 412-932-4XXX 4000–4999Assigned NEW CINGULAR WIRELESS PCS, LLC - IL 6534 PTTSBGZON1 PA
2013-09-19 412-932-5XXX 5000–5999Assigned NEW CINGULAR WIRELESS PCS, LLC - IL 6534 PTTSBGZON1 PA

Source: NANPA Thousands Block Assignment Report (All Regions, Public), file date 10/01/2026 — Tier A primary source, refreshed on every import. Viewing is free; bulk downloads require a membership.