NumberResearch Membership · Data 09/20/2026

Recent thousands-block assignments

11 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 251
NEW CINGULAR WIRELESS PCS, LLC - GA 6
ONVOY, LLC - AL 3
WIDE VOICE, LLC - AL 2
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
2008-09-10 251-233-2XXX 2000–2999Assigned METROPCS, INC. 5562 FOLEY AL
2008-09-05 251-289-3XXX 3000–3999Assigned PAETEC ITEL, LLC 829J MOBILE AL
2008-09-05 251-289-4XXX 4000–4999Assigned PAETEC ITEL, LLC 829J MOBILE AL
2008-09-05 251-289-5XXX 5000–5999Assigned PAETEC ITEL, LLC 829J MOBILE AL
2008-09-05 251-607-6XXX 6000–6999Assigned COMCAST IP PHONE, LLC 318J MOBILE AL
2008-08-29 251-223-9XXX 9000–9999Assigned NEW CINGULAR WIRELESS PCS, LLC - GA 6214 FOLEY AL
2008-08-22 251-424-1XXX 1000–1999Assigned TELEPAK NETWORKS, INC. - AL 947G FOLEY AL
2008-08-05 251-281-3XXX 3000–3999Assigned NEW CINGULAR WIRELESS PCS, LLC - GA 6214 MOBILE AL
2008-08-05 251-281-4XXX 4000–4999Assigned NEW CINGULAR WIRELESS PCS, LLC - GA 6214 MOBILE AL
2008-08-05 251-281-5XXX 5000–5999Assigned NEW CINGULAR WIRELESS PCS, LLC - GA 6214 MOBILE AL
2008-08-05 251-281-6XXX 6000–6999Assigned NEW CINGULAR WIRELESS PCS, LLC - GA 6214 MOBILE AL
2008-08-04 251-300-7XXX 7000–7999Assigned CELLCO PARTNERSHIP DBA VERIZON WIRELESS - AL 6804 MOBILE AL
2008-07-07 251-281-2XXX 2000–2999Assigned LEVEL 3 COMMUNICATIONS, LLC - AL 5255 MOBILE AL
2008-06-19 251-338-7XXX 7000–7999Assigned PAETEC ITEL, LLC 829J MOBILE AL
2008-06-18 251-279-4XXX 4000–4999Assigned BELLSOUTH TELECOMM INC DBA SOUTH CENTRAL BELL TEL 9419 FAIRHOPE AL
2008-06-18 251-279-5XXX 5000–5999Assigned BELLSOUTH TELECOMM INC DBA SOUTH CENTRAL BELL TEL 9419 FAIRHOPE AL
2008-06-17 251-279-1XXX 1000–1999Assigned BELLSOUTH TELECOMM INC DBA SOUTH CENTRAL BELL TEL 9419 FAIRHOPE AL
2008-06-17 251-279-2XXX 2000–2999Assigned BELLSOUTH TELECOMM INC DBA SOUTH CENTRAL BELL TEL 9419 FAIRHOPE AL
2008-06-17 251-279-3XXX 3000–3999Assigned BELLSOUTH TELECOMM INC DBA SOUTH CENTRAL BELL TEL 9419 FAIRHOPE AL
2008-06-09 251-269-6XXX 6000–6999Assigned ELISKA WIRELESS VENTURES SUBSIDIARY I, LLC 6916 FOLEY AL
2008-06-03 251-829-1XXX 1000–1999Assigned PAETEC ITEL, LLC 829J MT VERNON AL
2008-05-15 251-289-0XXX 0000–0999Assigned BANDWIDTH.COM CLEC, LLC - AL 072F MOBILE AL
2008-05-12 251-597-7XXX 7000–7999Assigned NEW CINGULAR WIRELESS PCS, LLC - GA 6214 FOLEY AL
2008-05-12 251-622-6XXX 6000–6999Assigned NEW CINGULAR WIRELESS PCS, LLC - GA 6214 MOBILE AL
2008-05-12 251-622-7XXX 7000–7999Assigned NEW CINGULAR WIRELESS PCS, LLC - GA 6214 MOBILE AL
2008-05-12 251-622-8XXX 8000–8999Assigned NEW CINGULAR WIRELESS PCS, LLC - GA 6214 MOBILE AL
2008-05-08 251-317-0XXX 0000–0999Assigned LEVEL 3 COMMUNICATIONS, LLC - AL 5255 CITRONELLE AL
2008-05-02 251-279-6XXX 6000–6999Assigned TELEPORT COMMUNICATIONS AMERICA, LLC - AL 8271 FAIRHOPE AL
2008-05-01 251-744-0XXX 0000–0999Assigned LEVEL 3 COMMUNICATIONS, LLC - AL 5255 JACKSON AL
2008-04-16 251-866-6XXX 6000–6999Assigned LEVEL 3 COMMUNICATIONS, LLC - AL 5255 CITRONELLE AL
2008-04-04 251-504-7XXX 7000–7999Assigned CELLCO PARTNERSHIP DBA VERIZON WIRELESS - AL 6804 FOLEY AL
2008-03-25 251-234-5XXX 5000–5999Assigned LEVEL 3 COMMUNICATIONS, LLC - AL 5255 MOBILE AL
2008-03-17 251-378-5XXX 5000–5999Assigned COMCAST IP PHONE, LLC 318J MOBILE AL
2008-03-17 251-378-8XXX 8000–8999Assigned COMCAST IP PHONE, LLC 318J MOBILE AL
2008-03-04 251-300-8XXX 8000–8999Assigned COMCAST IP PHONE, LLC 318J MOBILE AL
2008-02-15 251-233-1XXX 1000–1999Assigned NEW CINGULAR WIRELESS PCS, LLC - GA 6214 FOLEY AL
2008-02-15 251-725-1XXX 1000–1999Assigned COMCAST IP PHONE, LLC 318J MOBILE AL
2008-02-15 251-725-2XXX 2000–2999Assigned NEW CINGULAR WIRELESS PCS, LLC - GA 6214 MOBILE AL
2008-02-15 251-725-3XXX 3000–3999Assigned NEW CINGULAR WIRELESS PCS, LLC - GA 6214 MOBILE AL
2008-02-15 251-725-4XXX 4000–4999Assigned NEW CINGULAR WIRELESS PCS, LLC - GA 6214 MOBILE AL
2008-02-15 251-744-1XXX 1000–1999Assigned NEW CINGULAR WIRELESS PCS, LLC - GA 6214 JACKSON AL
2008-02-15 251-744-2XXX 2000–2999Assigned NEW CINGULAR WIRELESS PCS, LLC - GA 6214 JACKSON AL
2008-02-12 251-509-8XXX 8000–8999Assigned CELLULAR SOUTH, INC. 6581 MOBILE AL
2008-02-12 251-509-9XXX 9000–9999Assigned CELLULAR SOUTH, INC. 6581 MOBILE AL
2008-02-08 251-281-9XXX 9000–9999Assigned NEW CINGULAR WIRELESS PCS, LLC - GA 6214 MOBILE AL
2008-02-01 251-295-9XXX 9000–9999Assigned LEVEL 3 COMMUNICATIONS, LLC - AL 5255 MOBILE AL
2008-02-01 251-300-5XXX 5000–5999Assigned LEVEL 3 COMMUNICATIONS, LLC - AL 5255 MOBILE AL
2008-01-07 251-508-5XXX 5000–5999Assigned NEW CINGULAR WIRELESS PCS, LLC - GA 6214 MOBILE AL
2008-01-07 251-508-6XXX 6000–6999Assigned NEW CINGULAR WIRELESS PCS, LLC - GA 6214 MOBILE AL
2008-01-07 251-508-7XXX 7000–7999Assigned NEW CINGULAR WIRELESS PCS, LLC - GA 6214 MOBILE 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.