NumberResearch Membership · Data 09/21/2026

Recent thousands-block assignments

0 blocks assigned in the last 30 days · from the daily NANPA thousands-block report, 09/21/2026

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 848
IP HORIZON LLC 38
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
2020-04-29 848-243-5XXX 5000–5999Assigned IP HORIZON LLC 515J KEANSBURG NJ
2020-04-29 848-243-9XXX 9000–9999Assigned IP HORIZON LLC 515J KEANSBURG NJ
2020-04-29 848-258-8XXX 8000–8999Assigned IP HORIZON LLC 515J LAKEHURST NJ
2020-04-29 848-258-9XXX 9000–9999Assigned IP HORIZON LLC 515J LAKEHURST NJ
2020-04-29 848-274-8XXX 8000–8999Assigned IP HORIZON LLC 515J FRANKLINPK NJ
2020-04-29 848-274-9XXX 9000–9999Assigned IP HORIZON LLC 515J FRANKLINPK NJ
2020-04-29 848-278-1XXX 1000–1999Assigned IP HORIZON LLC 515J MONMTH JCT NJ
2020-04-29 848-278-8XXX 8000–8999Assigned IP HORIZON LLC 515J MONMTH JCT NJ
2020-04-29 848-400-7XXX 7000–7999Assigned IP HORIZON LLC 515J ENGLISHTN NJ
2020-04-29 848-400-9XXX 9000–9999Assigned IP HORIZON LLC 515J ENGLISHTN NJ
2019-04-17 848-261-7XXX 7000–7999Assigned IP HORIZON LLC 515J LAKEWOOD NJ
2019-04-17 848-800-1XXX 1000–1999Assigned IP HORIZON LLC 515J NEWBRNSWCK NJ
2017-06-15 848-254-8XXX 8000–8999Assigned IP HORIZON LLC 515J MIDDLETOWN NJ
2016-04-07 848-236-3XXX 3000–3999Assigned IP HORIZON LLC 515J RAHWAY NJ
2016-04-07 848-236-4XXX 4000–4999Assigned IP HORIZON LLC 515J RAHWAY NJ
2016-04-07 848-241-8XXX 8000–8999Assigned IP HORIZON LLC 515J PTPLEASANT NJ
2016-04-07 848-245-1XXX 1000–1999Assigned IP HORIZON LLC 515J LAKEWOOD NJ
2016-04-07 848-247-1XXX 1000–1999Assigned IP HORIZON LLC 515J METUCHEN NJ
2016-04-07 848-251-7XXX 7000–7999Assigned IP HORIZON LLC 515J TOMS RIVER NJ
2016-04-07 848-251-8XXX 8000–8999Assigned IP HORIZON LLC 515J TOMS RIVER NJ
2016-04-07 848-777-8XXX 8000–8999Assigned IP HORIZON LLC 515J DEAL NJ
2016-03-21 848-227-8XXX 8000–8999Assigned IP HORIZON LLC 515J LAKEHURST NJ
2016-03-21 848-269-8XXX 8000–8999Assigned IP HORIZON LLC 515J NEWBRNSWCK NJ
2016-03-21 848-269-9XXX 9000–9999Assigned IP HORIZON LLC 515J NEWBRNSWCK NJ
2016-03-07 848-208-0XXX 0000–0999Assigned IP HORIZON LLC 515J EATONTOWN NJ
2016-03-07 848-233-0XXX 0000–0999Assigned IP HORIZON LLC 515J ENGLISHTN NJ
2015-02-23 848-777-0XXX 0000–0999Assigned IP HORIZON LLC 515J DEAL NJ
2013-07-29 848-205-8XXX 8000–8999Assigned IP HORIZON LLC 515J METUCHEN NJ
2013-07-29 848-217-1XXX 1000–1999Assigned IP HORIZON LLC 515J ASBURYPARK NJ
2013-07-29 848-232-0XXX 0000–0999Assigned IP HORIZON LLC 515J PTPLEASANT NJ
2013-07-29 848-666-4XXX 4000–4999Assigned IP HORIZON LLC 515J RAHWAY NJ
2013-04-01 848-303-9XXX 9000–9999Assigned IP HORIZON LLC 515J LONGBRANCH NJ
2013-03-19 848-222-5XXX 5000–5999Assigned IP HORIZON LLC 515J LAKEWOOD NJ
2013-03-19 848-225-2XXX 2000–2999Assigned IP HORIZON LLC 515J MIDDLETOWN NJ
2013-03-19 848-231-5XXX 5000–5999Assigned IP HORIZON LLC 515J FREEHOLD NJ
2010-07-21 848-467-5XXX 5000–5999Assigned IP HORIZON LLC 515J RAHWAY NJ
2010-07-21 848-468-4XXX 4000–4999Assigned IP HORIZON LLC 515J MATAWAN NJ
2005-12-07 848-482-5XXX 5000–5999Assigned IP HORIZON LLC 515J FREEHOLD NJ

Source: NANPA Thousands Block Assignment Report (All Regions, Public), file date 09/21/2026 — Tier A primary source, refreshed on every import. Viewing is free; bulk downloads require a membership.