NumberResearch Membership · Data 09/20/2026

Recent thousands-block assignments

0 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, all time — NPA 386
COMCAST IP PHONE, LLC 33
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
2026-07-09 386-465-5XXX 5000–5999Assigned COMCAST IP PHONE, LLC 318J JENNINGS FL
2026-07-09 386-946-2XXX 2000–2999Assigned COMCAST IP PHONE, LLC 318J JASPER FL
2025-06-17 386-659-7XXX 7000–7999Assigned COMCAST IP PHONE, LLC 318J FLORAHOME FL
2025-06-17 386-832-9XXX 9000–9999Assigned COMCAST IP PHONE, LLC 318J HIGH SPG FL
2024-07-30 386-391-8XXX 8000–8999Assigned COMCAST IP PHONE, LLC 318J HIGH SPG FL
2024-04-23 386-486-2XXX 2000–2999Assigned COMCAST IP PHONE, LLC 318J WHITE SPG FL
2024-04-23 386-686-3XXX 3000–3999Assigned COMCAST IP PHONE, LLC 318J FORT WHITE FL
2023-03-28 386-369-1XXX 1000–1999Assigned COMCAST IP PHONE, LLC 318J DAYTONABCH FL
2023-03-22 386-901-4XXX 4000–4999Assigned COMCAST IP PHONE, LLC 318J LIVE OAK FL
2022-01-27 386-291-7XXX 7000–7999Assigned COMCAST IP PHONE, LLC 318J LAKEBUTLER FL
2021-09-17 386-977-1XXX 1000–1999Assigned COMCAST IP PHONE, LLC 318J CRESCENTCY FL
2020-11-06 386-221-5XXX 5000–5999Assigned COMCAST IP PHONE, LLC 318J DEBARY FL
2017-10-27 386-588-3XXX 3000–3999Assigned COMCAST IP PHONE, LLC 318J ALACHUA FL
2015-07-27 386-222-4XXX 4000–4999Assigned COMCAST IP PHONE, LLC 318J PALATKA FL
2015-07-10 386-961-5XXX 5000–5999Assigned COMCAST IP PHONE, LLC 318J LAKE CITY FL
2015-06-12 386-319-8XXX 8000–8999Assigned COMCAST IP PHONE, LLC 318J LAKE CITY FL
2015-04-23 386-319-7XXX 7000–7999Assigned COMCAST IP PHONE, LLC 318J LAKE CITY FL
2014-09-23 386-344-6XXX 6000–6999Assigned COMCAST IP PHONE, LLC 318J LAKE CITY FL
2014-04-30 386-516-6XXX 6000–6999Assigned COMCAST IP PHONE, LLC 318J DEBARY FL
2012-06-18 386-487-6XXX 6000–6999Assigned COMCAST IP PHONE, LLC 318J LAKE CITY FL
2012-03-22 386-385-5XXX 5000–5999Assigned COMCAST IP PHONE, LLC 318J PALATKA FL
2011-11-14 386-518-5XXX 5000–5999Assigned COMCAST IP PHONE, LLC 318J ALACHUA FL
2010-07-30 386-243-8XXX 8000–8999Assigned COMCAST IP PHONE, LLC 318J LAKE CITY FL
2009-09-17 386-524-4XXX 4000–4999Assigned COMCAST IP PHONE, LLC 318J WELAKA FL
2008-04-04 386-438-8XXX 8000–8999Assigned COMCAST IP PHONE, LLC 318J LAKE CITY FL
2007-11-13 386-530-2XXX 2000–2999Assigned COMCAST IP PHONE, LLC 318J PALATKA FL
2007-11-08 386-561-6XXX 6000–6999Assigned COMCAST IP PHONE, LLC 318J ORANGECITY FL
2007-11-05 386-320-0XXX 0000–0999Assigned COMCAST IP PHONE, LLC 318J DEBARY FL
2007-10-01 386-219-0XXX 0000–0999Assigned COMCAST IP PHONE, LLC 318J LIVE OAK FL
2006-11-17 386-244-8XXX 8000–8999Assigned COMCAST IP PHONE, LLC 318J POMONAPARK FL
2006-11-17 386-385-3XXX 3000–3999Assigned COMCAST IP PHONE, LLC 318J PALATKA FL
2006-10-30 386-438-5XXX 5000–5999Assigned COMCAST IP PHONE, LLC 318J LAKE CITY FL
2005-08-30 386-518-6XXX 6000–6999Assigned COMCAST IP PHONE, LLC 318J ALACHUA FL

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.