NumberResearch Membership · Data 09/20/2026

Recent thousands-block assignments

16 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 563
ONVOY, LLC - IA 8
IMON COMMUNICATIONS, LLC - IA 3
CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IA 3
NEW CINGULAR WIRELESS PCS, LLC - IL 1
LEVEL 3 COMMUNICATIONS, LLC - IA 1
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
Clear Download CSV ↓
Recent thousands-block assignments
AssignedThousands-blockLast 4 digitsStatusAssigneeOCNRate centerState
2018-07-27 563-313-9XXX 9000–9999Assigned T-MOBILE USA, INC. 6529 CRESCO IA
2018-07-27 563-454-5XXX 5000–5999Assigned METROPCS, INC. 5562 WYOMING IA
2018-07-23 563-261-9XXX 9000–9999Assigned CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IA 6570 MUSCATINE IA
2018-07-19 563-396-3XXX 3000–3999Assigned CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IA 6570 DAVENPORT IA
2018-07-18 563-228-2XXX 2000–2999Assigned METROPCS, INC. 5562 BELLEVUE IA
2018-07-18 563-237-3XXX 3000–3999Assigned METROPCS, INC. 5562 FREDECKSBG IA
2018-07-18 563-269-9XXX 9000–9999Assigned METROPCS, INC. 5562 CASCADE IA
2018-07-18 563-521-4XXX 4000–4999Assigned METROPCS, INC. 5562 MAQUOKETA IA
2018-07-18 563-655-5XXX 5000–5999Assigned METROPCS, INC. 5562 DE WITT IA
2018-07-11 563-204-5XXX 5000–5999Assigned INTEGRATED PATH COMMUNCATIONS, LLC - IA 544H LANSING IA
2018-07-11 563-224-4XXX 4000–4999Assigned INTEGRATED PATH COMMUNCATIONS, LLC - IA 544H MAYNARD IA
2018-07-11 563-233-3XXX 3000–3999Assigned INTEGRATED PATH COMMUNCATIONS, LLC - IA 544H SUMNER IA
2018-07-11 563-237-2XXX 2000–2999Assigned INTEGRATED PATH COMMUNCATIONS, LLC - IA 544H FREDECKSBG IA
2018-07-11 563-270-0XXX 0000–0999Assigned INTEGRATED PATH COMMUNCATIONS, LLC - IA 544H CENTER JCT IA
2018-07-11 563-273-3XXX 3000–3999Assigned INTEGRATED PATH COMMUNCATIONS, LLC - IA 544H ONSLOW IA
2018-07-11 563-292-2XXX 2000–2999Assigned INTEGRATED PATH COMMUNCATIONS, LLC - IA 544H WEST UNION IA
2018-07-11 563-303-3XXX 3000–3999Assigned INTEGRATED PATH COMMUNCATIONS, LLC - IA 544H FAYETTE IA
2018-07-11 563-313-6XXX 6000–6999Assigned INTEGRATED PATH COMMUNCATIONS, LLC - IA 544H CRESCO IA
2018-07-11 563-315-5XXX 5000–5999Assigned INTEGRATED PATH COMMUNCATIONS, LLC - IA 544H STRAWBRYPT IA
2018-07-11 563-329-9XXX 9000–9999Assigned INTEGRATED PATH COMMUNCATIONS, LLC - IA 544H MCGREGOR IA
2018-07-11 563-334-5XXX 5000–5999Assigned INTEGRATED PATH COMMUNCATIONS, LLC - IA 544H DECORAH IA
2018-07-11 563-358-3XXX 3000–3999Assigned INTEGRATED PATH COMMUNCATIONS, LLC - IA 544H FTATKINSON IA
2018-07-11 563-428-5XXX 5000–5999Assigned INTEGRATED PATH COMMUNCATIONS, LLC - IA 544H RANDALIA IA
2018-07-11 563-454-4XXX 4000–4999Assigned INTEGRATED PATH COMMUNCATIONS, LLC - IA 544H WYOMING IA
2018-07-11 563-482-4XXX 4000–4999Assigned INTEGRATED PATH COMMUNCATIONS, LLC - IA 544H LAWLER IA
2018-07-11 563-565-7XXX 7000–7999Assigned INTEGRATED PATH COMMUNCATIONS, LLC - IA 544H CHESTER IA
2018-07-11 563-566-6XXX 6000–6999Assigned INTEGRATED PATH COMMUNCATIONS, LLC - IA 544H LIME SPG IA
2018-07-11 563-569-5XXX 5000–5999Assigned INTEGRATED PATH COMMUNCATIONS, LLC - IA 544H PROTIVIN IA
2018-07-11 563-605-8XXX 8000–8999Assigned INTEGRATED PATH COMMUNCATIONS, LLC - IA 544H POSTVILLE IA
2018-07-11 563-683-6XXX 6000–6999Assigned INTEGRATED PATH COMMUNCATIONS, LLC - IA 544H NEW ALBIN IA
2018-07-11 563-725-5XXX 5000–5999Assigned INTEGRATED PATH COMMUNCATIONS, LLC - IA 544H ELGIN IA
2018-07-11 563-764-4XXX 4000–4999Assigned INTEGRATED PATH COMMUNCATIONS, LLC - IA 544H OSSIAN IA
2018-07-11 563-767-6XXX 6000–6999Assigned INTEGRATED PATH COMMUNCATIONS, LLC - IA 544H VOLGA IA
2018-07-11 563-774-4XXX 4000–4999Assigned INTEGRATED PATH COMMUNCATIONS, LLC - IA 544H WADENA IA
2018-07-11 563-776-8XXX 8000–8999Assigned INTEGRATED PATH COMMUNCATIONS, LLC - IA 544H WAUCOMA IA
2018-07-11 563-778-0XXX 0000–0999Assigned INTEGRATED PATH COMMUNCATIONS, LLC - IA 544H ST LUCAS IA
2018-07-11 563-822-7XXX 7000–7999Assigned INTEGRATED PATH COMMUNCATIONS, LLC - IA 544H MANCHESTER IA
2018-07-11 563-922-5XXX 5000–5999Assigned INTEGRATED PATH COMMUNCATIONS, LLC - IA 544H DELHI IA
2018-07-11 563-924-4XXX 4000–4999Assigned INTEGRATED PATH COMMUNCATIONS, LLC - IA 544H LAMONT IA
2018-07-11 563-925-5XXX 5000–5999Assigned INTEGRATED PATH COMMUNCATIONS, LLC - IA 544H GREELEY IA
2018-07-11 563-926-0XXX 0000–0999Assigned INTEGRATED PATH COMMUNCATIONS, LLC - IA 544H HOPKINTON IA
2018-07-11 563-928-2XXX 2000–2999Assigned INTEGRATED PATH COMMUNCATIONS, LLC - IA 544H EDGEWOOD IA
2018-07-11 563-932-5XXX 5000–5999Assigned INTEGRATED PATH COMMUNCATIONS, LLC - IA 544H RYAN IA
2018-07-10 563-429-5XXX 5000–5999Assigned INTEGRATED PATH COMMUNCATIONS, LLC - IA 544H ALPHA IA
2018-07-10 563-633-0XXX 0000–0999Assigned INTEGRATED PATH COMMUNCATIONS, LLC - IA 544H ARLINGTON IA
2018-06-29 563-236-2XXX 2000–2999Assigned LEVEL 3 COMMUNICATIONS, LLC - IA 9877 ANDREW IA
2018-06-29 563-240-2XXX 2000–2999Assigned LEVEL 3 COMMUNICATIONS, LLC - IA 9877 LAMOTTE IA
2018-06-29 563-266-2XXX 2000–2999Assigned LEVEL 3 COMMUNICATIONS, LLC - IA 9877 BERNARD IA
2018-06-29 563-268-2XXX 2000–2999Assigned LEVEL 3 COMMUNICATIONS, LLC - IA 9877 BALDWIN IA
2018-06-29 563-269-2XXX 2000–2999Assigned LEVEL 3 COMMUNICATIONS, LLC - IA 9877 CASCADE IA

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.