NumberResearch Membership · Data 09/20/2026

Recent thousands-block assignments

5 blocks assigned in the last 30 days · from the daily NANPA thousands-block report, 09/20/2026

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 — NPA 205
ONVOY, LLC - AL 4
BANDWIDTH.COM CLEC, LLC - AL 1
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
2016-11-30 205-990-0XXX 0000–0999Assigned CELLCO PARTNERSHIP DBA VERIZON WIRELESS - AL 6804 CLANTON AL
2016-11-30 205-990-1XXX 1000–1999Assigned CELLCO PARTNERSHIP DBA VERIZON WIRELESS - AL 6804 CLANTON AL
2016-11-18 205-526-3XXX 3000–3999Assigned ONVOY, LLC - AL 604E TUSCALOOSA AL
2016-11-18 205-526-4XXX 4000–4999Assigned ONVOY, LLC - AL 604E TUSCALOOSA AL
2016-10-31 205-905-3XXX 3000–3999Assigned TELEPORT COMMUNICATIONS AMERICA, LLC - AL 8271 BIRMINGHAM AL
2016-10-31 205-905-4XXX 4000–4999Assigned TELEPORT COMMUNICATIONS AMERICA, LLC - AL 8271 BIRMINGHAM AL
2016-10-31 205-905-5XXX 5000–5999Assigned PAETEC ITEL, LLC 829J BIRMINGHAM AL
2016-10-19 205-216-7XXX 7000–7999Assigned MCIMETRO ACCESS TRANSMISSION SERVICES LLC - AL 7469 ALABASTER AL
2016-10-17 205-905-2XXX 2000–2999Assigned TELEPORT COMMUNICATIONS AMERICA, LLC - AL 8271 BIRMINGHAM AL
2016-10-11 205-666-2XXX 2000–2999Assigned AT&T ENTERPRISES, LLC 516C BIRMINGHAM AL
2016-10-07 205-905-1XXX 1000–1999Assigned WIDE VOICE, LLC - AL 764H BIRMINGHAM AL
2016-10-04 205-245-2XXX 2000–2999Assigned CELLCO PARTNERSHIP DBA VERIZON WIRELESS - AL 6804 THORSBY AL
2016-09-28 205-474-1XXX 1000–1999Assigned CELLCO PARTNERSHIP DBA VERIZON WIRELESS - AL 6804 BUTLER AL
2016-09-23 205-878-0XXX 0000–0999Assigned CELLCO PARTNERSHIP DBA VERIZON WIRELESS - AL 6804 JASPER AL
2016-09-22 205-814-6XXX 6000–6999Assigned LEVEL 3 COMMUNICATIONS, LLC - AL 5255 PELL CITY AL
2016-09-06 205-519-6XXX 6000–6999Assigned NEW CINGULAR WIRELESS PCS, LLC - GA 6214 BESSEMER AL
2016-09-06 205-519-7XXX 7000–7999Assigned NEW CINGULAR WIRELESS PCS, LLC - GA 6214 BESSEMER AL
2016-09-06 205-519-8XXX 8000–8999Assigned NEW CINGULAR WIRELESS PCS, LLC - GA 6214 BESSEMER AL
2016-09-06 205-519-9XXX 9000–9999Assigned NEW CINGULAR WIRELESS PCS, LLC - GA 6214 BESSEMER AL
2016-09-06 205-526-5XXX 5000–5999Assigned NEW CINGULAR WIRELESS PCS, LLC - GA 6214 TUSCALOOSA AL
2016-09-06 205-526-6XXX 6000–6999Assigned NEW CINGULAR WIRELESS PCS, LLC - GA 6214 TUSCALOOSA AL
2016-09-06 205-526-9XXX 9000–9999Assigned NEW CINGULAR WIRELESS PCS, LLC - GA 6214 TUSCALOOSA AL
2016-09-06 205-666-3XXX 3000–3999Assigned METROPCS, INC. 5562 BIRMINGHAM AL
2016-09-06 205-666-4XXX 4000–4999Assigned METROPCS, INC. 5562 BIRMINGHAM AL
2016-09-06 205-666-9XXX 9000–9999Assigned METROPCS, INC. 5562 BIRMINGHAM AL
2016-08-31 205-354-7XXX 7000–7999Assigned CELLCO PARTNERSHIP DBA VERIZON WIRELESS - AL 6804 BIRMINGHAM AL
2016-08-31 205-354-8XXX 8000–8999Assigned CELLCO PARTNERSHIP DBA VERIZON WIRELESS - AL 6804 BIRMINGHAM AL
2016-08-31 205-510-8XXX 8000–8999Assigned CELLCO PARTNERSHIP DBA VERIZON WIRELESS - AL 6804 BIRMINGHAM AL
2016-08-31 205-581-6XXX 6000–6999Assigned CELLCO PARTNERSHIP DBA VERIZON WIRELESS - AL 6804 BIRMINGHAM AL
2016-08-31 205-715-3XXX 3000–3999Assigned CELLCO PARTNERSHIP DBA VERIZON WIRELESS - AL 6804 BIRMINGHAM AL
2016-08-31 205-739-4XXX 4000–4999Assigned CELLCO PARTNERSHIP DBA VERIZON WIRELESS - AL 6804 BIRMINGHAM AL
2016-08-31 205-757-9XXX 9000–9999Assigned CELLCO PARTNERSHIP DBA VERIZON WIRELESS - AL 6804 BIRMINGHAM AL
2016-08-31 205-917-7XXX 7000–7999Assigned CELLCO PARTNERSHIP DBA VERIZON WIRELESS - AL 6804 BIRMINGHAM AL
2016-08-31 205-944-9XXX 9000–9999Assigned CELLCO PARTNERSHIP DBA VERIZON WIRELESS - AL 6804 BIRMINGHAM AL
2016-08-31 205-949-7XXX 7000–7999Assigned CELLCO PARTNERSHIP DBA VERIZON WIRELESS - AL 6804 BIRMINGHAM AL
2016-08-31 205-990-8XXX 8000–8999Assigned NEW CINGULAR WIRELESS PCS, LLC - GA 6214 CLANTON AL
2016-08-31 205-997-0XXX 0000–0999Assigned NEW CINGULAR WIRELESS PCS, LLC - GA 6214 BESSEMER AL
2016-08-31 205-997-7XXX 7000–7999Assigned NEW CINGULAR WIRELESS PCS, LLC - GA 6214 BESSEMER AL
2016-08-26 205-872-6XXX 6000–6999Assigned CELLCO PARTNERSHIP DBA VERIZON WIRELESS - AL 6804 TUSCALOOSA AL
2016-08-17 205-303-6XXX 6000–6999Assigned TELEPORT COMMUNICATIONS AMERICA, LLC - AL 8271 FAYETTE AL
2016-08-05 205-308-4XXX 4000–4999Assigned NEW CINGULAR WIRELESS PCS, LLC - GA 6214 PINSON AL
2016-08-05 205-308-5XXX 5000–5999Assigned NEW CINGULAR WIRELESS PCS, LLC - GA 6214 PINSON AL
2016-08-05 205-493-3XXX 3000–3999Assigned CELLCO PARTNERSHIP DBA VERIZON WIRELESS - AL 6804 ONEONTA AL
2016-07-29 205-859-9XXX 9000–9999Assigned NEW CINGULAR WIRELESS PCS, LLC - GA 6214 GARDENDALE AL
2016-07-26 205-649-8XXX 8000–8999Assigned LEVEL 3 COMMUNICATIONS, LLC - AL 5255 DORA AL
2016-07-19 205-484-9XXX 9000–9999Assigned BANDWIDTH.COM CLEC, LLC - AL 072F BIRMINGHAM AL
2016-07-19 205-517-7XXX 7000–7999Assigned BANDWIDTH.COM CLEC, LLC - AL 072F BIRMINGHAM AL
2016-07-19 205-517-8XXX 8000–8999Assigned BANDWIDTH.COM CLEC, LLC - AL 072F BIRMINGHAM AL
2016-07-19 205-666-0XXX 0000–0999Assigned BANDWIDTH.COM CLEC, LLC - AL 072F BIRMINGHAM AL
2016-07-19 205-666-1XXX 1000–1999Assigned BANDWIDTH.COM CLEC, LLC - AL 072F BIRMINGHAM AL

Source: NANPA Thousands Block Assignment Report (All Regions, Public), file date 09/20/2026 — Tier A primary source, refreshed on every import. Viewing is free; bulk downloads require a membership.