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
2022-02-18 712-863-8XXX 8000–8999Assigned TON80 COMMUNICATIONS, LLC 516J CARSON IA
2022-02-16 712-952-9XXX 9000–9999Assigned T-MOBILE USA, INC. 6529 OTO IA
2022-02-14 712-827-0XXX 0000–0999Assigned T-MOBILE USA, INC. 6529 OTO IA
2022-02-01 712-671-2XXX 2000–2999Assigned ONVOY, LLC - IA 221F SHENANDOAH IA
2022-02-01 712-671-3XXX 3000–3999Assigned ONVOY, LLC - IA 221F SHENANDOAH IA
2022-01-26 712-671-4XXX 4000–4999Assigned LEVEL 3 COMMUNICATIONS, LLC - IA 9877 SHENANDOAH IA
2022-01-25 712-267-5XXX 5000–5999Assigned LEVEL 3 COMMUNICATIONS, LLC - IA 9877 DENISON IA
2022-01-25 712-414-7XXX 7000–7999Assigned LEVEL 3 COMMUNICATIONS, LLC - IA 9877 RED OAK IA
2022-01-25 712-532-4XXX 4000–4999Assigned LEVEL 3 COMMUNICATIONS, LLC - IA 9877 EMMETSBURG IA
2022-01-25 712-695-4XXX 4000–4999Assigned LEVEL 3 COMMUNICATIONS, LLC - IA 9877 CLARINDA IA
2022-01-25 712-977-4XXX 4000–4999Assigned LEVEL 3 COMMUNICATIONS, LLC - IA 9877 MILFORD IA
2021-12-30 712-406-9XXX 9000–9999Assigned BOOST SUBSCRIBERCO L.L.C. 490J COUNCILBLF IA
2021-12-29 712-207-4XXX 4000–4999Assigned ONVOY, LLC - IA 221F SHELBY IA
2021-12-20 712-713-4XXX 4000–4999Assigned BTC, INC. - IA 156C COUNCILBLF IA
2021-12-08 712-414-0XXX 0000–0999Assigned BANDWIDTH.COM CLEC, LLC - IA 985E RED OAK IA
2021-12-07 712-561-0XXX 0000–0999Assigned CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IA 6570 COUNCILBLF IA
2021-12-03 712-206-4XXX 4000–4999Assigned ONVOY, LLC - IA 221F ARMSTRONG IA
2021-12-02 712-895-8XXX 8000–8999Assigned TWILIO INTERNATIONAL, INC. 506J SIOUX CITY IA
2021-11-22 712-962-7XXX 7000–7999Assigned ONVOY, LLC - IA 221F MIDLAND IA
2021-11-21 712-682-6XXX 6000–6999Assigned ONVOY, LLC - IA 221F SO BIGELOW IA
2021-11-19 712-686-7XXX 7000–7999Assigned NEW CINGULAR WIRELESS PCS, LLC - IL 6534 SCRANTON IA
2021-11-17 712-468-5XXX 5000–5999Assigned MCC TELEPHONY OF IOWA, LLC - IA 751F POMEROY IA
2021-11-16 712-517-4XXX 4000–4999Assigned BANDWIDTH.COM CLEC, LLC - IA 985E RED OAK IA
2021-11-15 712-499-9XXX 9000–9999Assigned FRACTEL, LLC 965H SIOUX CITY IA
2021-11-12 712-216-8XXX 8000–8999Assigned ONVOY, LLC - IA 221F LOGAN IA
2021-10-27 712-672-3XXX 3000–3999Assigned ONVOY, LLC - IA 221F ROCKWELLCY IA
2021-10-20 712-217-6XXX 6000–6999Assigned ONVOY, LLC - IA 221F CARTERLAKE IA
2021-10-20 712-487-5XXX 5000–5999Assigned ONVOY, LLC - IA 221F TREYNOR IA
2021-10-20 712-743-0XXX 0000–0999Assigned ONVOY, LLC - IA 221F PORTSMOUTH IA
2021-10-06 712-217-4XXX 4000–4999Assigned ONVOY SPECTRUM, LLC 624H CARTERLAKE IA
2021-10-06 712-354-1XXX 1000–1999Assigned ONVOY SPECTRUM, LLC 624H CHARTEROAK IA
2021-10-06 712-412-3XXX 3000–3999Assigned ONVOY SPECTRUM, LLC 624H DOW CITY IA
2021-10-06 712-530-6XXX 6000–6999Assigned ONVOY SPECTRUM, LLC 624H EMERSON IA
2021-10-06 712-661-4XXX 4000–4999Assigned ONVOY SPECTRUM, LLC 624H EARLY IA
2021-10-06 712-672-1XXX 1000–1999Assigned ONVOY SPECTRUM, LLC 624H ROCKWELLCY IA
2021-10-05 712-401-4XXX 4000–4999Assigned ONVOY SPECTRUM, LLC 624H CRESCENT IA
2021-10-05 712-524-3XXX 3000–3999Assigned ONVOY SPECTRUM, LLC 624H COUNCILBLF IA
2021-10-05 712-561-1XXX 1000–1999Assigned ONVOY SPECTRUM, LLC 624H COUNCILBLF IA
2021-10-05 712-561-2XXX 2000–2999Assigned ONVOY SPECTRUM, LLC 624H COUNCILBLF IA
2021-10-05 712-561-3XXX 3000–3999Assigned ONVOY SPECTRUM, LLC 624H COUNCILBLF IA
2021-10-05 712-612-1XXX 1000–1999Assigned ONVOY SPECTRUM, LLC 624H E HARRISBG IA
2021-10-05 712-634-4XXX 4000–4999Assigned ONVOY SPECTRUM, LLC 624H CARROLL IA
2021-10-05 712-634-5XXX 5000–5999Assigned ONVOY SPECTRUM, LLC 624H CARROLL IA
2021-10-05 712-682-7XXX 7000–7999Assigned ONVOY SPECTRUM, LLC 624H SO BIGELOW IA
2021-10-04 712-206-3XXX 3000–3999Assigned ONVOY, LLC - IA 221F ARMSTRONG IA
2021-10-04 712-272-8XXX 8000–8999Assigned ONVOY, LLC - IA 221F NEWELL IA
2021-10-04 712-286-3XXX 3000–3999Assigned ONVOY, LLC - IA 221F REMBRANDT IA
2021-10-04 712-289-3XXX 3000–3999Assigned ONVOY, LLC - IA 221F MARATHON IA
2021-10-04 712-296-5XXX 5000–5999Assigned ONVOY, LLC - IA 221F LINN GROVE IA
2021-10-04 712-425-4XXX 4000–4999Assigned ONVOY, LLC - IA 221F MALLARD 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.