Recent thousands-block assignments

18 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 662
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
2006-11-30 662-270-4XXX 4000–4999Assigned MCIMETRO ACCESS TRANSMISSION SERVICES LLC - MS 4886 STARKVILLE MS
2006-11-30 662-271-3XXX 3000–3999Assigned MCIMETRO ACCESS TRANSMISSION SERVICES LLC - MS 4886 GREENWOOD MS
2006-11-30 662-352-2XXX 2000–2999Assigned MCIMETRO ACCESS TRANSMISSION SERVICES LLC - MS 4886 COLUMBUS MS
2006-11-30 662-528-5XXX 5000–5999Assigned MCIMETRO ACCESS TRANSMISSION SERVICES LLC - MS 4886 YAZOO CITY MS
2006-11-30 662-537-3XXX 3000–3999Assigned MCIMETRO ACCESS TRANSMISSION SERVICES LLC - MS 4886 GREENVILLE MS
2006-11-30 662-550-2XXX 2000–2999Assigned MCIMETRO ACCESS TRANSMISSION SERVICES LLC - MS 4886 OXFORD MS
2006-11-10 662-570-1XXX 1000–1999Assigned LEVEL 3 COMMUNICATIONS, LLC - MS 5178 COLUMBUS MS
2006-10-30 662-202-5XXX 5000–5999Assigned NEW CINGULAR WIRELESS PCS, LLC - GA 6214 OXFORD MS
2006-10-27 662-420-4XXX 4000–4999Assigned CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MS 6396 OLIVE BRCH MS
2006-10-18 662-744-1XXX 1000–1999Assigned LEVEL 3 COMMUNICATIONS, LLC - MS 5178 EUPORA MS
2006-10-13 662-373-2XXX 2000–2999Assigned LEVEL 3 COMMUNICATIONS, LLC - MS 5178 TUNICA MS
2006-10-11 662-402-7XXX 7000–7999Assigned NEW CINGULAR WIRELESS PCS, LLC - GA 6214 CLEVELAND MS
2006-10-11 662-466-6XXX 6000–6999Assigned NEW CINGULAR WIRELESS PCS, LLC - GA 6214 GREENWOOD MS
2006-10-11 662-545-1XXX 1000–1999Assigned NEW CINGULAR WIRELESS PCS, LLC - GA 6214 CLEVELAND MS
2006-10-11 662-549-6XXX 6000–6999Assigned NEW CINGULAR WIRELESS PCS, LLC - GA 6214 COLUMBUS MS
2006-10-11 662-549-7XXX 7000–7999Assigned NEW CINGULAR WIRELESS PCS, LLC - GA 6214 COLUMBUS MS
2006-10-11 662-549-8XXX 8000–8999Assigned NEW CINGULAR WIRELESS PCS, LLC - GA 6214 COLUMBUS MS
2006-10-11 662-617-5XXX 5000–5999Assigned NEW CINGULAR WIRELESS PCS, LLC - GA 6214 STARKVILLE MS
2006-10-11 662-633-7XXX 7000–7999Assigned NEW CINGULAR WIRELESS PCS, LLC - GA 6214 KOSCIUSKO MS
2006-10-11 662-633-8XXX 8000–8999Assigned NEW CINGULAR WIRELESS PCS, LLC - GA 6214 KOSCIUSKO MS
2006-10-11 662-882-9XXX 9000–9999Assigned NEW CINGULAR WIRELESS PCS, LLC - GA 6214 RIPLEY MS
2006-10-11 662-889-5XXX 5000–5999Assigned NEW CINGULAR WIRELESS PCS, LLC - GA 6214 COLUMBUS MS
2006-09-29 662-616-4XXX 4000–4999Assigned METROPCS, INC. 5562 GREENVILLE MS
2006-09-29 662-812-4XXX 4000–4999Assigned POWERTEL MEMPHIS LICENSES, INC. 7474 OLIVE BRCH MS
2006-09-28 662-308-1XXX 1000–1999Assigned NEW CINGULAR WIRELESS PCS, LLC - GA 6214 PONTOTOC MS
2006-09-28 662-436-1XXX 1000–1999Assigned NEW CINGULAR WIRELESS PCS, LLC - GA 6214 ABERDEEN MS
2006-09-28 662-436-2XXX 2000–2999Assigned NEW CINGULAR WIRELESS PCS, LLC - GA 6214 ABERDEEN MS
2006-09-28 662-507-0XXX 0000–0999Assigned NEW CINGULAR WIRELESS PCS, LLC - GA 6214 NEW ALBANY MS
2006-09-28 662-507-5XXX 5000–5999Assigned NEW CINGULAR WIRELESS PCS, LLC - GA 6214 NEW ALBANY MS
2006-09-28 662-554-8XXX 8000–8999Assigned NEW CINGULAR WIRELESS PCS, LLC - GA 6214 BOONEVILLE MS
2006-09-28 662-554-9XXX 9000–9999Assigned NEW CINGULAR WIRELESS PCS, LLC - GA 6214 BOONEVILLE MS
2006-09-28 662-603-1XXX 1000–1999Assigned NEW CINGULAR WIRELESS PCS, LLC - GA 6214 CORINTH MS
2006-09-28 662-603-7XXX 7000–7999Assigned NEW CINGULAR WIRELESS PCS, LLC - GA 6214 CORINTH MS
2006-09-28 662-603-9XXX 9000–9999Assigned NEW CINGULAR WIRELESS PCS, LLC - GA 6214 CORINTH MS
2006-09-28 662-660-3XXX 3000–3999Assigned NEW CINGULAR WIRELESS PCS, LLC - GA 6214 IUKA MS
2006-09-28 662-660-4XXX 4000–4999Assigned NEW CINGULAR WIRELESS PCS, LLC - GA 6214 IUKA MS
2006-09-28 662-825-1XXX 1000–1999Assigned NEW CINGULAR WIRELESS PCS, LLC - GA 6214 AMORY MS
2006-09-26 662-267-7XXX 7000–7999Assigned POWERTEL MEMPHIS LICENSES, INC. 7474 BATESVILLE MS
2006-09-07 662-537-7XXX 7000–7999Assigned CSC VOICE, LLC 612K GREENVILLE MS
2006-09-06 662-307-2XXX 2000–2999Assigned LEVEL 3 COMMUNICATIONS, LLC - MS 5178 GRENADA MS
2006-09-06 662-450-3XXX 3000–3999Assigned LEVEL 3 COMMUNICATIONS, LLC - MS 5178 LEXINGTON MS
2006-09-06 662-736-1XXX 1000–1999Assigned LEVEL 3 COMMUNICATIONS, LLC - MS 5178 LOUISVILLE MS
2006-08-18 662-671-1XXX 1000–1999Assigned NEW CINGULAR WIRELESS PCS, LLC - GA 6214 TUNICA MS
2006-08-17 662-253-3XXX 3000–3999Assigned MCIMETRO ACCESS TRANSMISSION SERVICES LLC 7229 MEMPHIS MS
2006-08-17 662-633-3XXX 3000–3999Assigned LEVEL 3 COMMUNICATIONS, LLC - MS 5178 KOSCIUSKO MS
2006-07-28 662-469-9XXX 9000–9999Assigned COMCAST IP PHONE, LLC 318J HERNANDO MS
2006-07-28 662-470-4XXX 4000–4999Assigned COMCAST IP PHONE, LLC 318J MEMPHIS MS
2006-07-24 662-655-2XXX 2000–2999Assigned LEVEL 3 COMMUNICATIONS, LLC - MS 5178 MEMPHIS MS
2006-07-19 662-267-1XXX 1000–1999Assigned LEVEL 3 COMMUNICATIONS, LLC - MS 5178 BATESVILLE MS
2006-07-19 662-524-3XXX 3000–3999Assigned LEVEL 3 COMMUNICATIONS, LLC - MS 5178 WEST POINT MS

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.