Recent thousands-block assignments

26 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 636
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
2022-08-10 636-828-1XXX 1000–1999Assigned BOOST SUBSCRIBERCO L.L.C. 490J NEW MELLE MO
2022-08-10 636-829-5XXX 5000–5999Assigned T-MOBILE USA, INC. 6529 HIGH RIDGE MO
2022-08-05 636-214-2XXX 2000–2999Assigned MCIMETRO ACCESS TRANSMISSION SERVICES LLC - MO 7432 CHESTERFLD MO
2022-08-05 636-214-3XXX 3000–3999Assigned MCIMETRO ACCESS TRANSMISSION SERVICES LLC - MO 7432 CHESTERFLD MO
2022-08-05 636-214-5XXX 5000–5999Assigned VONAGE AMERICA LLC 197D CHESTERFLD MO
2022-08-05 636-557-6XXX 6000–6999Assigned VONAGE AMERICA LLC 197D MANCHESTER MO
2022-08-04 636-339-2XXX 2000–2999Assigned CHARTER IP ENABLED SERVICES, LLC 792K OFALLON MO
2022-08-03 636-241-0XXX 0000–0999Assigned CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MO 5814 WASHINGTON MO
2022-07-14 636-369-1XXX 1000–1999Assigned NEW CINGULAR WIRELESS PCS, LLC - IL 6534 WASHINGTON MO
2022-07-14 636-557-2XXX 2000–2999Assigned NEW CINGULAR WIRELESS PCS, LLC - IL 6534 MANCHESTER MO
2022-07-13 636-331-4XXX 4000–4999Assigned NEW CINGULAR WIRELESS PCS, LLC - IL 6534 FSSCRSTLCY MO
2022-07-13 636-925-4XXX 4000–4999Assigned COMMIO, LLC 939H ST CHARLES MO
2022-06-21 636-635-7XXX 7000–7999Assigned TELEPORT COMMUNICATIONS AMERICA, LLC - MO 7218 CEDAR HILL MO
2022-06-16 636-459-4XXX 4000–4999Assigned CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MO 5814 FORISTELL MO
2022-06-16 636-463-4XXX 4000–4999Assigned CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MO 5814 FORISTELL MO
2022-06-16 636-655-0XXX 0000–0999Assigned NEW CINGULAR WIRELESS PCS, LLC - IL 6534 WENTZVILLE MO
2022-05-19 636-630-0XXX 0000–0999Assigned COMMIO, LLC 939H OFALLON MO
2022-05-05 636-285-4XXX 4000–4999Assigned TERRA NOVA TELECOM INC. 145J CEDAR HILL MO
2022-05-03 636-376-2XXX 2000–2999Assigned TERRA NOVA TELECOM INC. 145J HIGH RIDGE MO
2022-04-26 636-341-6XXX 6000–6999Assigned T-MOBILE USA, INC. 6529 FSSCRSTLCY MO
2022-04-26 636-341-7XXX 7000–7999Assigned T-MOBILE USA, INC. 6529 FSSCRSTLCY MO
2022-04-26 636-341-8XXX 8000–8999Assigned T-MOBILE USA, INC. 6529 FSSCRSTLCY MO
2022-04-14 636-213-4XXX 4000–4999Assigned ONVOY, LLC - MO 093F WARRENTON MO
2022-04-12 636-215-3XXX 3000–3999Assigned CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MO 5814 MAXVILLE MO
2022-04-12 636-463-3XXX 3000–3999Assigned CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MO 5814 FORISTELL MO
2022-04-12 636-626-0XXX 0000–0999Assigned CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MO 5814 ST PETERS MO
2022-03-30 636-318-0XXX 0000–0999Assigned CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MO 5814 TROY MO
2022-02-17 636-874-2XXX 2000–2999Assigned TON80 COMMUNICATIONS, LLC 516J OFALLON MO
2022-02-08 636-242-3XXX 3000–3999Assigned CHARTER IP ENABLED SERVICES, LLC 792K MARTHASVL MO
2022-02-08 636-398-9XXX 9000–9999Assigned CHARTER IP ENABLED SERVICES, LLC 792K NEW MELLE MO
2022-02-04 636-746-7XXX 7000–7999Assigned TON80 COMMUNICATIONS, LLC 516J MAXVILLE MO
2022-02-01 636-289-0XXX 0000–0999Assigned BANDWIDTH.COM CLEC, LLC - MO 993E HAWK POINT MO
2022-01-25 636-342-0XXX 0000–0999Assigned NEW CINGULAR WIRELESS PCS, LLC - IL 6534 HARVESTER MO
2022-01-25 636-798-0XXX 0000–0999Assigned BANDWIDTH.COM CLEC, LLC - MO 993E DEFIANCE MO
2022-01-20 636-213-2XXX 2000–2999Assigned ONVOY, LLC - MO 093F WARRENTON MO
2022-01-20 636-213-3XXX 3000–3999Assigned ONVOY, LLC - MO 093F WARRENTON MO
2022-01-18 636-213-0XXX 0000–0999Assigned TELNYX LLC 073H WARRENTON MO
2022-01-11 636-213-9XXX 9000–9999Assigned T-MOBILE USA, INC. 6529 WARRENTON MO
2022-01-11 636-214-7XXX 7000–7999Assigned T-MOBILE USA, INC. 6529 CHESTERFLD MO
2022-01-11 636-214-8XXX 8000–8999Assigned T-MOBILE USA, INC. 6529 CHESTERFLD MO
2022-01-11 636-214-9XXX 9000–9999Assigned T-MOBILE USA, INC. 6529 CHESTERFLD MO
2022-01-11 636-867-7XXX 7000–7999Assigned TON80 COMMUNICATIONS, LLC 516J JONESBURG MO
2022-01-10 636-351-6XXX 6000–6999Assigned BOOST SUBSCRIBERCO L.L.C. 490J OFALLON MO
2022-01-09 636-201-8XXX 8000–8999Assigned T-MOBILE USA, INC. 6529 WARRENTON MO
2022-01-09 636-204-9XXX 9000–9999Assigned T-MOBILE USA, INC. 6529 WARRENTON MO
2022-01-09 636-252-5XXX 5000–5999Assigned T-MOBILE USA, INC. 6529 CHESTERFLD MO
2022-01-09 636-252-6XXX 6000–6999Assigned T-MOBILE USA, INC. 6529 CHESTERFLD MO
2022-01-09 636-252-7XXX 7000–7999Assigned T-MOBILE USA, INC. 6529 CHESTERFLD MO
2022-01-09 636-252-8XXX 8000–8999Assigned T-MOBILE USA, INC. 6529 CHESTERFLD MO
2022-01-09 636-369-2XXX 2000–2999Assigned T-MOBILE USA, INC. 6529 WASHINGTON MO

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.