NumberResearch Membership · Data 09/19/2026

Recent thousands-block assignments

0 blocks assigned in the last 30 days · from the daily NANPA thousands-block report, 09/19/2026

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, all time — NPA 478
LEVEL 3 COMMUNICATIONS, LLC - GA 60
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
2026-04-01 478-380-7XXX 7000–7999Assigned LEVEL 3 COMMUNICATIONS, LLC - GA 6116 MONTEZUMA GA
2024-06-20 478-875-8XXX 8000–8999Assigned LEVEL 3 COMMUNICATIONS, LLC - GA 6116 DEXTER GA
2024-06-06 478-677-7XXX 7000–7999Assigned LEVEL 3 COMMUNICATIONS, LLC - GA 6116 DUDLEY GA
2024-03-18 478-399-7XXX 7000–7999Assigned LEVEL 3 COMMUNICATIONS, LLC - GA 6116 BUTLER GA
2023-09-28 478-393-7XXX 7000–7999Assigned LEVEL 3 COMMUNICATIONS, LLC - GA 6116 CHESTER GA
2023-09-26 478-392-7XXX 7000–7999Assigned LEVEL 3 COMMUNICATIONS, LLC - GA 6116 REYNOLDS GA
2023-09-12 478-384-7XXX 7000–7999Assigned LEVEL 3 COMMUNICATIONS, LLC - GA 6116 KITE GA
2023-09-12 478-385-7XXX 7000–7999Assigned LEVEL 3 COMMUNICATIONS, LLC - GA 6116 ADRIAN GA
2023-05-11 478-723-5XXX 5000–5999Assigned LEVEL 3 COMMUNICATIONS, LLC - GA 6116 GORDON GA
2022-08-10 478-208-4XXX 4000–4999Assigned LEVEL 3 COMMUNICATIONS, LLC - GA 6116 HAWKINSVL GA
2022-04-22 478-243-4XXX 4000–4999Assigned LEVEL 3 COMMUNICATIONS, LLC - GA 6116 DAVISBORO GA
2022-03-16 478-359-4XXX 4000–4999Assigned LEVEL 3 COMMUNICATIONS, LLC - GA 6116 LIZELLA GA
2022-03-16 478-672-4XXX 4000–4999Assigned LEVEL 3 COMMUNICATIONS, LLC - GA 6116 ROBERTA GA
2021-12-14 478-286-7XXX 7000–7999Assigned LEVEL 3 COMMUNICATIONS, LLC - GA 6116 BYROMVILLE GA
2021-11-05 478-354-4XXX 4000–4999Assigned LEVEL 3 COMMUNICATIONS, LLC - GA 6116 FORTVALLEY GA
2021-10-11 478-699-6XXX 6000–6999Assigned LEVEL 3 COMMUNICATIONS, LLC - GA 6116 BYRON GA
2021-06-29 478-346-5XXX 5000–5999Assigned LEVEL 3 COMMUNICATIONS, LLC - GA 6116 WRIGHTSVL GA
2018-05-22 478-666-2XXX 2000–2999Assigned LEVEL 3 COMMUNICATIONS, LLC - GA 6116 CENTERVL GA
2015-09-28 478-345-8XXX 8000–8999Assigned LEVEL 3 COMMUNICATIONS, LLC - GA 6116 MACON GA
2015-09-14 478-253-6XXX 6000–6999Assigned LEVEL 3 COMMUNICATIONS, LLC - GA 6116 LOUISVILLE GA
2015-05-29 478-292-7XXX 7000–7999Assigned LEVEL 3 COMMUNICATIONS, LLC - GA 6116 MACON GA
2015-02-04 478-449-3XXX 3000–3999Assigned LEVEL 3 COMMUNICATIONS, LLC - GA 6116 WARNERRBNS GA
2014-08-04 478-387-9XXX 9000–9999Assigned LEVEL 3 COMMUNICATIONS, LLC - GA 6116 MILLEDGEVL GA
2014-06-30 478-488-8XXX 8000–8999Assigned LEVEL 3 COMMUNICATIONS, LLC - GA 6116 DUBLIN GA
2014-05-15 478-845-5XXX 5000–5999Assigned LEVEL 3 COMMUNICATIONS, LLC - GA 6116 MACON GA
2014-04-14 478-795-9XXX 9000–9999Assigned LEVEL 3 COMMUNICATIONS, LLC - GA 6116 COCHRAN GA
2013-06-26 478-841-9XXX 9000–9999Assigned LEVEL 3 COMMUNICATIONS, LLC - GA 6116 MACON GA
2012-12-12 478-217-4XXX 4000–4999Assigned LEVEL 3 COMMUNICATIONS, LLC - GA 6116 WARNERRBNS GA
2012-09-12 478-845-7XXX 7000–7999Assigned LEVEL 3 COMMUNICATIONS, LLC - GA 6116 MACON GA
2012-02-01 478-387-2XXX 2000–2999Assigned LEVEL 3 COMMUNICATIONS, LLC - GA 6116 MILLEDGEVL GA
2012-01-26 478-607-7XXX 7000–7999Assigned LEVEL 3 COMMUNICATIONS, LLC - GA 6116 GRAY GA
2011-12-01 478-488-3XXX 3000–3999Assigned LEVEL 3 COMMUNICATIONS, LLC - GA 6116 DUBLIN GA
2011-11-04 478-569-2XXX 2000–2999Assigned LEVEL 3 COMMUNICATIONS, LLC - GA 6116 SARDIS GA
2011-09-07 478-997-6XXX 6000–6999Assigned LEVEL 3 COMMUNICATIONS, LLC - GA 6116 PERRY GA
2011-06-16 478-202-2XXX 2000–2999Assigned LEVEL 3 COMMUNICATIONS, LLC - GA 6116 WADLEY GA
2011-04-18 478-273-8XXX 8000–8999Assigned LEVEL 3 COMMUNICATIONS, LLC - GA 6116 WARNERRBNS GA
2010-12-28 478-298-8XXX 8000–8999Assigned LEVEL 3 COMMUNICATIONS, LLC - GA 6116 COCHRAN GA
2010-10-26 478-273-2XXX 2000–2999Assigned LEVEL 3 COMMUNICATIONS, LLC - GA 6116 WARNERRBNS GA
2010-05-12 478-997-8XXX 8000–8999Assigned LEVEL 3 COMMUNICATIONS, LLC - GA 6116 PERRY GA
2009-12-30 478-974-1XXX 1000–1999Assigned LEVEL 3 COMMUNICATIONS, LLC - GA 6116 FORSYTH GA
2009-11-23 478-288-5XXX 5000–5999Assigned LEVEL 3 COMMUNICATIONS, LLC - GA 6116 MILLEDGEVL GA
2009-06-10 478-216-9XXX 9000–9999Assigned LEVEL 3 COMMUNICATIONS, LLC - GA 6116 MACON GA
2008-02-01 478-268-6XXX 6000–6999Assigned LEVEL 3 COMMUNICATIONS, LLC - GA 6116 SWAINSBORO GA
2008-02-01 478-268-7XXX 7000–7999Assigned LEVEL 3 COMMUNICATIONS, LLC - GA 6116 SWAINSBORO GA
2007-11-20 478-220-0XXX 0000–0999Assigned LEVEL 3 COMMUNICATIONS, LLC - GA 6116 EASTMAN GA
2007-10-17 478-285-6XXX 6000–6999Assigned LEVEL 3 COMMUNICATIONS, LLC - GA 6116 EASTMAN GA
2007-08-23 478-285-5XXX 5000–5999Assigned LEVEL 3 COMMUNICATIONS, LLC - GA 6116 EASTMAN GA
2005-12-28 478-298-4XXX 4000–4999Assigned LEVEL 3 COMMUNICATIONS, LLC - GA 6116 COCHRAN GA
2005-12-28 478-569-1XXX 1000–1999Assigned LEVEL 3 COMMUNICATIONS, LLC - GA 6116 SARDIS GA
2005-12-28 478-607-2XXX 2000–2999Assigned LEVEL 3 COMMUNICATIONS, LLC - GA 6116 GRAY GA

Source: NANPA Thousands Block Assignment Report (All Regions, Public), file date 09/19/2026 — Tier A primary source, refreshed on every import. Viewing is free; bulk downloads require a membership.