NumberResearch Membership · Data 09/20/2026

Recent thousands-block assignments

1 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 712
NEW CINGULAR WIRELESS PCS, LLC - IL 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
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Recent thousands-block assignments
AssignedThousands-blockLast 4 digitsStatusAssigneeOCNRate centerState
2017-04-05 712-454-1XXX 1000–1999Assigned LEVEL 3 COMMUNICATIONS, LLC - IA 9877 SIOUX CITY IA
2017-03-22 712-318-4XXX 4000–4999Assigned METROPCS, INC. 5562 COUNCILBLF IA
2017-03-22 712-318-8XXX 8000–8999Assigned AERIAL COMMUNICATIONS, INC. 6701 COUNCILBLF IA
2017-03-10 712-215-4XXX 4000–4999Assigned TELNYX LLC 073H SHENANDOAH IA
2017-03-10 712-794-9XXX 9000–9999Assigned TELNYX LLC 073H CARROLL IA
2017-03-10 712-890-6XXX 6000–6999Assigned TELNYX LLC 073H COUNCILBLF IA
2017-02-27 712-888-8XXX 8000–8999Assigned TELNYX LLC 073H BELOIT IA
2017-02-21 712-695-2XXX 2000–2999Assigned TELEPORT COMMUNICATIONS AMERICA, LLC - IA 8344 CLARINDA IA
2016-12-29 712-535-1XXX 1000–1999Assigned CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IA 6570 SIOUX CITY IA
2016-12-29 712-535-4XXX 4000–4999Assigned CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IA 6570 SIOUX CITY IA
2016-12-08 712-223-7XXX 7000–7999Assigned CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IA 6570 SIOUX CITY IA
2016-12-06 712-435-4XXX 4000–4999Assigned LEVEL 3 COMMUNICATIONS, LLC - IA 9877 COUNCILBLF IA
2016-11-28 712-283-7XXX 7000–7999Assigned CENTURYLINK COMMUNICATIONS, LLC 508J SIOUX RPD IA
2016-11-28 712-291-7XXX 7000–7999Assigned CENTURYLINK COMMUNICATIONS, LLC 508J STORM LAKE IA
2016-11-28 712-294-6XXX 6000–6999Assigned QWEST CORPORATION 9631 SIOUX CITY IA
2016-11-28 712-346-5XXX 5000–5999Assigned CENTURYLINK COMMUNICATIONS, LLC 508J SPENCER IA
2016-11-28 712-458-7XXX 7000–7999Assigned CENTURYLINK COMMUNICATIONS, LLC 508J WHITING IA
2016-11-28 712-631-7XXX 7000–7999Assigned CENTURYLINK COMMUNICATIONS, LLC 508J SHELDON IA
2016-11-28 712-759-7XXX 7000–7999Assigned CENTURYLINK COMMUNICATIONS, LLC 508J SPIRITLAKE IA
2016-11-23 712-219-7XXX 7000–7999Assigned CENTURYLINK COMMUNICATIONS, LLC 508J ONAWA IA
2016-11-23 712-272-7XXX 7000–7999Assigned CENTURYLINK COMMUNICATIONS, LLC 508J NEWELL IA
2016-11-23 712-286-7XXX 7000–7999Assigned CENTURYLINK COMMUNICATIONS, LLC 508J REMBRANDT IA
2016-11-23 712-295-4XXX 4000–4999Assigned CENTURYLINK COMMUNICATIONS, LLC 508J PETERSON IA
2016-11-23 712-335-6XXX 6000–6999Assigned CENTURYLINK COMMUNICATIONS, LLC 508J POCAHONTAS IA
2016-11-23 712-338-5XXX 5000–5999Assigned CENTURYLINK COMMUNICATIONS, LLC 508J MILFORD IA
2016-11-23 712-448-7XXX 7000–7999Assigned CENTURYLINK COMMUNICATIONS, LLC 508J PAULLINA IA
2016-11-23 712-468-7XXX 7000–7999Assigned CENTURYLINK COMMUNICATIONS, LLC 508J POMEROY IA
2016-11-23 712-626-1XXX 1000–1999Assigned LEVEL 3 COMMUNICATIONS, LLC - IA 9877 PRIMGHAR IA
2016-11-23 712-758-7XXX 7000–7999Assigned CENTURYLINK COMMUNICATIONS, LLC 508J OCHEYEDAN IA
2016-11-23 712-848-7XXX 7000–7999Assigned CENTURYLINK COMMUNICATIONS, LLC 508J ROLFE IA
2016-11-22 712-261-7XXX 7000–7999Assigned CENTURYLINK COMMUNICATIONS, LLC 508J CHEROKEE IA
2016-11-22 712-284-7XXX 7000–7999Assigned CENTURYLINK COMMUNICATIONS, LLC 508J ALTA IA
2016-11-22 712-288-7XXX 7000–7999Assigned CENTURYLINK COMMUNICATIONS, LLC 508J FONDA IA
2016-11-22 712-289-7XXX 7000–7999Assigned CENTURYLINK COMMUNICATIONS, LLC 508J MARATHON IA
2016-11-22 712-296-7XXX 7000–7999Assigned CENTURYLINK COMMUNICATIONS, LLC 508J LINN GROVE IA
2016-11-22 712-337-7XXX 7000–7999Assigned CENTURYLINK COMMUNICATIONS, LLC 508J ARNOLDS PK IA
2016-11-22 712-349-7XXX 7000–7999Assigned CENTURYLINK COMMUNICATIONS, LLC 508J HARRIS IA
2016-11-22 712-372-7XXX 7000–7999Assigned CENTURYLINK COMMUNICATIONS, LLC 508J CORECTINVL IA
2016-11-22 712-373-7XXX 7000–7999Assigned CENTURYLINK COMMUNICATIONS, LLC 508J ANTHON IA
2016-11-22 712-380-7XXX 7000–7999Assigned CENTURYLINK COMMUNICATIONS, LLC 508J ESTHERVL IA
2016-11-22 712-415-7XXX 7000–7999Assigned CENTURYLINK COMMUNICATIONS, LLC 508J EMMETSBURG IA
2016-11-22 712-424-7XXX 7000–7999Assigned CENTURYLINK COMMUNICATIONS, LLC 508J CYLINDER IA
2016-11-22 712-425-7XXX 7000–7999Assigned CENTURYLINK COMMUNICATIONS, LLC 508J MALLARD IA
2016-11-22 712-459-7XXX 7000–7999Assigned CENTURYLINK COMMUNICATIONS, LLC 508J HARTLEY IA
2016-11-22 712-465-7XXX 7000–7999Assigned CENTURYLINK COMMUNICATIONS, LLC 508J LOHRVILLE IA
2016-11-22 712-466-7XXX 7000–7999Assigned CENTURYLINK COMMUNICATIONS, LLC 508J LYTTON IA
2016-11-22 712-469-5XXX 5000–5999Assigned CENTURYLINK COMMUNICATIONS, LLC 508J MANSON IA
2016-11-22 712-656-7XXX 7000–7999Assigned CENTURYLINK COMMUNICATIONS, LLC 508J LANESBORO IA
2016-11-22 712-735-7XXX 7000–7999Assigned LEVEL 3 COMMUNICATIONS, LLC - IA 9877 MAY CITY IA
2016-11-22 712-736-7XXX 7000–7999Assigned CENTURYLINK COMMUNICATIONS, LLC 508J MELVIN 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.