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
2016-11-22 712-843-7XXX 7000–7999Assigned CENTURYLINK COMMUNICATIONS, LLC 508J ALBERTCITY IA
2016-11-22 712-845-7XXX 7000–7999Assigned CENTURYLINK COMMUNICATIONS, LLC 508J LAURENS IA
2016-11-22 712-864-6XXX 6000–6999Assigned CENTURYLINK COMMUNICATIONS, LLC 508J ARMSTRONG IA
2016-11-22 712-865-7XXX 7000–7999Assigned CENTURYLINK COMMUNICATIONS, LLC 508J DOLLIVER IA
2016-11-22 712-938-5XXX 5000–5999Assigned CENTURYLINK COMMUNICATIONS, LLC 508J MERRILL IA
2016-11-07 712-435-8XXX 8000–8999Assigned AERIAL COMMUNICATIONS, INC. 6701 COUNCILBLF IA
2016-10-06 712-254-4XXX 4000–4999Assigned MCIMETRO ACCESS TRANSMISSION SERVICES LLC 7229 ATLANTIC IA
2016-09-30 712-290-7XXX 7000–7999Assigned LEVEL 3 COMMUNICATIONS, LLC - IA 9877 ROCKWELLCY IA
2016-09-23 712-535-7XXX 7000–7999Assigned CENTURYLINK COMMUNICATIONS, LLC 508J SIOUX CITY IA
2016-08-12 712-532-9XXX 9000–9999Assigned WINDSTREAM IOWA COMMUNICATIONS, INC. - NORTH 1167 EMMETSBURG IA
2016-08-10 712-305-5XXX 5000–5999Assigned CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IA 6570 LE MARS IA
2016-08-03 712-380-3XXX 3000–3999Assigned NEW CINGULAR WIRELESS PCS, LLC - IL 6534 ESTHERVL IA
2016-08-02 712-578-2XXX 2000–2999Assigned CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IA 6570 HULL IA
2016-07-26 712-205-9XXX 9000–9999Assigned WINDSTREAM IOWA COMMUNICATIONS, INC. - SYSTEMS 1170 AUDUBON IA
2016-06-23 712-430-3XXX 3000–3999Assigned MCIMETRO ACCESS TRANSMISSION SERVICES LLC 7229 MALVERN IA
2016-06-22 712-350-2XXX 2000–2999Assigned ONVOY, LLC - IA 221F HAMBURG IA
2016-06-22 712-435-6XXX 6000–6999Assigned COMCAST IP PHONE, LLC 318J COUNCILBLF IA
2016-06-22 712-746-0XXX 0000–0999Assigned ONVOY, LLC - IA 221F E HARRISBG IA
2016-06-17 712-864-0XXX 0000–0999Assigned AUREON COMMUNICATIONS, LLC 444G ARMSTRONG IA
2016-06-03 712-209-8XXX 8000–8999Assigned CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IA 6570 ESTHERVL IA
2016-05-20 712-730-5XXX 5000–5999Assigned CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IA 6570 STORM LAKE IA
2016-05-16 712-363-9XXX 9000–9999Assigned CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IA 6570 SPENCER IA
2016-05-03 712-484-1XXX 1000–1999Assigned AUREON COMMUNICATIONS, LLC 444G CARSON IA
2016-05-03 712-526-5XXX 5000–5999Assigned ONVOY, LLC - IA 221F MINEOLA IA
2016-05-03 712-526-9XXX 9000–9999Assigned ONVOY, LLC - IA 221F MINEOLA IA
2016-04-27 712-355-6XXX 6000–6999Assigned UNITED STATES CELLULAR - IA 6266 COUNCILBLF IA
2016-04-18 712-292-7XXX 7000–7999Assigned CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IA 6570 CARROLL IA
2016-04-11 712-363-8XXX 8000–8999Assigned CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IA 6570 SPENCER IA
2016-04-05 712-435-1XXX 1000–1999Assigned ONVOY, LLC - IA 221F COUNCILBLF IA
2016-04-05 712-435-2XXX 2000–2999Assigned ONVOY, LLC - IA 221F COUNCILBLF IA
2016-03-23 712-600-2XXX 2000–2999Assigned ONVOY, LLC - IA 221F MISSOURVLY IA
2016-03-23 712-600-3XXX 3000–3999Assigned ONVOY, LLC - IA 221F MISSOURVLY IA
2016-03-22 712-530-0XXX 0000–0999Assigned ONVOY, LLC - IA 221F EMERSON IA
2016-03-22 712-530-1XXX 1000–1999Assigned ONVOY, LLC - IA 221F EMERSON IA
2016-03-17 712-203-3XXX 3000–3999Assigned CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IA 6570 SIOUX CITY IA
2016-03-17 712-203-6XXX 6000–6999Assigned CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IA 6570 SIOUX CITY IA
2016-03-17 712-828-2XXX 2000–2999Assigned CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IA 6570 COUNCILBLF IA
2016-03-16 712-201-3XXX 3000–3999Assigned ONVOY, LLC - IA 221F UNDERWOOD IA
2016-03-16 712-201-4XXX 4000–4999Assigned ONVOY, LLC - IA 221F UNDERWOOD IA
2016-03-16 712-227-5XXX 5000–5999Assigned ONVOY, LLC - IA 221F CRESCENT IA
2016-03-16 712-227-6XXX 6000–6999Assigned ONVOY, LLC - IA 221F CRESCENT IA
2016-03-16 712-248-3XXX 3000–3999Assigned ONVOY, LLC - IA 221F CARTERLAKE IA
2016-03-16 712-248-4XXX 4000–4999Assigned ONVOY, LLC - IA 221F CARTERLAKE IA
2016-03-16 712-350-8XXX 8000–8999Assigned ONVOY, LLC - IA 221F HAMBURG IA
2016-03-16 712-350-9XXX 9000–9999Assigned ONVOY, LLC - IA 221F HAMBURG IA
2016-03-16 712-482-1XXX 1000–1999Assigned ONVOY, LLC - IA 221F OAKLAND IA
2016-03-16 712-482-2XXX 2000–2999Assigned ONVOY, LLC - IA 221F OAKLAND IA
2016-03-16 712-485-3XXX 3000–3999Assigned ONVOY, LLC - IA 221F NEOLA IA
2016-03-16 712-525-3XXX 3000–3999Assigned ONVOY, LLC - IA 221F SILVERCITY IA
2016-03-16 712-525-4XXX 4000–4999Assigned ONVOY, LLC - IA 221F SILVERCITY 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.