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 772
COMCAST IP PHONE, LLC 103
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
2022-09-01 772-254-4XXX 4000–4999Assigned COMCAST IP PHONE, LLC 318J STUART FL
2022-09-01 772-254-5XXX 5000–5999Assigned COMCAST IP PHONE, LLC 318J STUART FL
2021-09-02 772-253-4XXX 4000–4999Assigned COMCAST IP PHONE, LLC 318J HOBE SOUND FL
2021-09-02 772-253-5XXX 5000–5999Assigned COMCAST IP PHONE, LLC 318J HOBE SOUND FL
2021-09-02 772-874-5XXX 5000–5999Assigned COMCAST IP PHONE, LLC 318J SEBASTIAN FL
2021-09-02 772-874-8XXX 8000–8999Assigned COMCAST IP PHONE, LLC 318J SEBASTIAN FL
2020-09-11 772-241-5XXX 5000–5999Assigned COMCAST IP PHONE, LLC 318J FORTPIERCE FL
2020-09-11 772-241-9XXX 9000–9999Assigned COMCAST IP PHONE, LLC 318J FORTPIERCE FL
2020-09-11 772-365-4XXX 4000–4999Assigned COMCAST IP PHONE, LLC 318J VERO BEACH FL
2020-09-11 772-446-0XXX 0000–0999Assigned COMCAST IP PHONE, LLC 318J PTST LUCIE FL
2020-09-11 772-446-3XXX 3000–3999Assigned COMCAST IP PHONE, LLC 318J PTST LUCIE FL
2020-09-11 772-469-0XXX 0000–0999Assigned COMCAST IP PHONE, LLC 318J VERO BEACH FL
2020-09-11 772-837-3XXX 3000–3999Assigned COMCAST IP PHONE, LLC 318J PTST LUCIE FL
2019-04-22 772-771-3XXX 3000–3999Assigned COMCAST IP PHONE, LLC 318J JENSEN BCH FL
2018-02-07 772-419-7XXX 7000–7999Assigned COMCAST IP PHONE, LLC 318J STUART FL
2018-01-05 772-281-4XXX 4000–4999Assigned COMCAST IP PHONE, LLC 318J PTST LUCIE FL
2017-12-18 772-907-5XXX 5000–5999Assigned COMCAST IP PHONE, LLC 318J VERO BEACH FL
2016-11-22 772-302-3XXX 3000–3999Assigned COMCAST IP PHONE, LLC 318J FORTPIERCE FL
2016-11-22 772-783-6XXX 6000–6999Assigned COMCAST IP PHONE, LLC 318J SEBASTIAN FL
2016-11-10 772-281-2XXX 2000–2999Assigned COMCAST IP PHONE, LLC 318J PTST LUCIE FL
2016-08-17 772-291-2XXX 2000–2999Assigned COMCAST IP PHONE, LLC 318J STUART FL
2016-08-05 772-492-6XXX 6000–6999Assigned COMCAST IP PHONE, LLC 318J VERO BEACH FL
2016-05-25 772-213-8XXX 8000–8999Assigned COMCAST IP PHONE, LLC 318J VERO BEACH FL
2016-04-28 772-320-9XXX 9000–9999Assigned COMCAST IP PHONE, LLC 318J STUART FL
2016-03-16 772-301-1XXX 1000–1999Assigned COMCAST IP PHONE, LLC 318J PTST LUCIE FL
2016-02-09 772-742-8XXX 8000–8999Assigned COMCAST IP PHONE, LLC 318J FORTPIERCE FL
2016-01-22 772-213-3XXX 3000–3999Assigned COMCAST IP PHONE, LLC 318J VERO BEACH FL
2015-11-16 772-247-7XXX 7000–7999Assigned COMCAST IP PHONE, LLC 318J STUART FL
2015-10-22 772-877-2XXX 2000–2999Assigned COMCAST IP PHONE, LLC 318J PTST LUCIE FL
2015-09-18 772-217-8XXX 8000–8999Assigned COMCAST IP PHONE, LLC 318J VERO BEACH FL
2015-05-06 772-212-7XXX 7000–7999Assigned COMCAST IP PHONE, LLC 318J PTST LUCIE FL
2015-04-22 772-208-5XXX 5000–5999Assigned COMCAST IP PHONE, LLC 318J JENSEN BCH FL
2015-03-20 772-828-3XXX 3000–3999Assigned COMCAST IP PHONE, LLC 318J FORTPIERCE FL
2015-03-03 772-888-3XXX 3000–3999Assigned COMCAST IP PHONE, LLC 318J STUART FL
2015-02-26 772-217-3XXX 3000–3999Assigned COMCAST IP PHONE, LLC 318J VERO BEACH FL
2015-02-06 772-402-5XXX 5000–5999Assigned COMCAST IP PHONE, LLC 318J HOBE SOUND FL
2014-10-10 772-571-5XXX 5000–5999Assigned COMCAST IP PHONE, LLC 318J SEBASTIAN FL
2014-09-25 772-877-3XXX 3000–3999Assigned COMCAST IP PHONE, LLC 318J PTST LUCIE FL
2014-09-24 772-217-2XXX 2000–2999Assigned COMCAST IP PHONE, LLC 318J VERO BEACH FL
2014-08-22 772-266-9XXX 9000–9999Assigned COMCAST IP PHONE, LLC 318J STUART FL
2014-06-05 772-207-7XXX 7000–7999Assigned COMCAST IP PHONE, LLC 318J PTST LUCIE FL
2014-04-10 772-888-2XXX 2000–2999Assigned COMCAST IP PHONE, LLC 318J STUART FL
2014-01-16 772-800-7XXX 7000–7999Assigned COMCAST IP PHONE, LLC 318J PTST LUCIE FL
2013-12-17 772-444-3XXX 3000–3999Assigned COMCAST IP PHONE, LLC 318J JENSEN BCH FL
2013-12-10 772-448-4XXX 4000–4999Assigned COMCAST IP PHONE, LLC 318J FORTPIERCE FL
2013-11-26 772-210-6XXX 6000–6999Assigned COMCAST IP PHONE, LLC 318J STUART FL
2013-11-26 772-999-5XXX 5000–5999Assigned COMCAST IP PHONE, LLC 318J VERO BEACH FL
2013-10-22 772-777-4XXX 4000–4999Assigned COMCAST IP PHONE, LLC 318J PTST LUCIE FL
2013-10-07 772-448-8XXX 8000–8999Assigned COMCAST IP PHONE, LLC 318J FORTPIERCE FL
2013-08-27 772-210-5XXX 5000–5999Assigned COMCAST IP PHONE, LLC 318J STUART 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.