NumberResearch Membership · Data 09/27/2026

Recent thousands-block assignments

4,019 blocks assigned in the last 30 days · from the daily NANPA thousands-block report, 09/27/2026

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
NEW CINGULAR WIRELESS PCS, LLC - DC 300
NEW CINGULAR WIRELESS PCS, LLC - IL 255
EXIANT COMMUNICATIONS LLC 245
ONVOY, LLC - CA 146
NEW CINGULAR WIRELESS PCS, LLC 135
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
2026-01-27 983-277-2XXX 2000–2999Assigned ONVOY, LLC - CO 026D DENVER CO
2026-01-27 983-277-3XXX 3000–3999Assigned ONVOY, LLC - CO 026D DENVER CO
2026-01-27 984-372-2XXX 2000–2999Assigned ONVOY, LLC - NC 638E CLAYTON NC
2026-01-27 984-398-2XXX 2000–2999Assigned ONVOY, LLC - NC 638E CHAPELHILL NC
2026-01-26 207-220-8XXX 8000–8999Assigned LEVEL 3 COMMUNICATIONS, LLC - ME 382D OXFORD ME
2026-01-26 234-452-3XXX 3000–3999Assigned NEW CINGULAR WIRELESS PCS, LLC - IL 6534 MANTUA OH
2026-01-26 234-452-4XXX 4000–4999Assigned NEW CINGULAR WIRELESS PCS, LLC - IL 6534 MANTUA OH
2026-01-26 234-452-5XXX 5000–5999Assigned NEW CINGULAR WIRELESS PCS, LLC - IL 6534 MANTUA OH
2026-01-26 234-462-0XXX 0000–0999Assigned NEW CINGULAR WIRELESS PCS, LLC - IL 6534 MANTUA OH
2026-01-26 234-462-1XXX 1000–1999Assigned NEW CINGULAR WIRELESS PCS, LLC - IL 6534 MANTUA OH
2026-01-26 234-462-2XXX 2000–2999Assigned NEW CINGULAR WIRELESS PCS, LLC - IL 6534 MANTUA OH
2026-01-26 234-462-3XXX 3000–3999Assigned NEW CINGULAR WIRELESS PCS, LLC - IL 6534 MANTUA OH
2026-01-26 234-462-4XXX 4000–4999Assigned NEW CINGULAR WIRELESS PCS, LLC - IL 6534 MANTUA OH
2026-01-26 234-462-5XXX 5000–5999Assigned NEW CINGULAR WIRELESS PCS, LLC - IL 6534 MANTUA OH
2026-01-26 234-462-6XXX 6000–6999Assigned NEW CINGULAR WIRELESS PCS, LLC - IL 6534 MANTUA OH
2026-01-26 234-462-7XXX 7000–7999Assigned NEW CINGULAR WIRELESS PCS, LLC - IL 6534 MANTUA OH
2026-01-26 234-462-8XXX 8000–8999Assigned NEW CINGULAR WIRELESS PCS, LLC - IL 6534 MANTUA OH
2026-01-26 234-462-9XXX 9000–9999Assigned NEW CINGULAR WIRELESS PCS, LLC - IL 6534 MANTUA OH
2026-01-26 234-463-0XXX 0000–0999Assigned NEW CINGULAR WIRELESS PCS, LLC - IL 6534 MANTUA OH
2026-01-26 234-463-1XXX 1000–1999Assigned NEW CINGULAR WIRELESS PCS, LLC - IL 6534 MANTUA OH
2026-01-26 234-463-2XXX 2000–2999Assigned NEW CINGULAR WIRELESS PCS, LLC - IL 6534 MANTUA OH
2026-01-26 234-463-3XXX 3000–3999Assigned NEW CINGULAR WIRELESS PCS, LLC - IL 6534 MANTUA OH
2026-01-26 234-463-4XXX 4000–4999Assigned NEW CINGULAR WIRELESS PCS, LLC - IL 6534 MANTUA OH
2026-01-26 234-463-5XXX 5000–5999Assigned NEW CINGULAR WIRELESS PCS, LLC - IL 6534 MANTUA OH
2026-01-26 234-463-6XXX 6000–6999Assigned NEW CINGULAR WIRELESS PCS, LLC - IL 6534 MANTUA OH
2026-01-26 234-463-7XXX 7000–7999Assigned NEW CINGULAR WIRELESS PCS, LLC - IL 6534 MANTUA OH
2026-01-26 234-463-8XXX 8000–8999Assigned NEW CINGULAR WIRELESS PCS, LLC - IL 6534 MANTUA OH
2026-01-26 234-463-9XXX 9000–9999Assigned NEW CINGULAR WIRELESS PCS, LLC - IL 6534 MANTUA OH
2026-01-26 302-707-0XXX 0000–0999Assigned CELLCO PARTNERSHIP DBA VERIZON WIRELESS - DE 6393 WILMINGTON DE
2026-01-26 302-707-1XXX 1000–1999Assigned CELLCO PARTNERSHIP DBA VERIZON WIRELESS - DE 6393 WILMINGTON DE
2026-01-26 302-707-2XXX 2000–2999Assigned CELLCO PARTNERSHIP DBA VERIZON WIRELESS - DE 6393 WILMINGTON DE
2026-01-26 302-707-3XXX 3000–3999Assigned CELLCO PARTNERSHIP DBA VERIZON WIRELESS - DE 6393 WILMINGTON DE
2026-01-26 302-707-4XXX 4000–4999Assigned CELLCO PARTNERSHIP DBA VERIZON WIRELESS - DE 6393 WILMINGTON DE
2026-01-26 445-338-2XXX 2000–2999Assigned U.S. TELEPACIFIC CORP. DBA TPX COMMUNICATIONS 671J PHPHSBZN42 PA
2026-01-26 445-338-3XXX 3000–3999Assigned U.S. TELEPACIFIC CORP. DBA TPX COMMUNICATIONS 671J PHPHSBZN42 PA
2026-01-26 509-704-7XXX 7000–7999Assigned BANDWIDTH.COM CLEC, LLC - WA 006F WALLAWALLA WA
2026-01-26 686-209-1XXX 1000–1999Assigned CELLCO PARTNERSHIP DBA VERIZON WIRELESS - VA 6827 RICHMOND VA
2026-01-26 686-209-2XXX 2000–2999Assigned CELLCO PARTNERSHIP DBA VERIZON WIRELESS - VA 6827 RICHMOND VA
2026-01-26 686-209-3XXX 3000–3999Assigned CELLCO PARTNERSHIP DBA VERIZON WIRELESS - VA 6827 RICHMOND VA
2026-01-26 686-209-4XXX 4000–4999Assigned CELLCO PARTNERSHIP DBA VERIZON WIRELESS - VA 6827 RICHMOND VA
2026-01-26 686-209-5XXX 5000–5999Assigned CELLCO PARTNERSHIP DBA VERIZON WIRELESS - VA 6827 RICHMOND VA
2026-01-26 686-209-6XXX 6000–6999Assigned CELLCO PARTNERSHIP DBA VERIZON WIRELESS - VA 6827 RICHMOND VA
2026-01-26 686-209-9XXX 9000–9999Assigned CELLCO PARTNERSHIP DBA VERIZON WIRELESS - VA 6827 RICHMOND VA
2026-01-26 810-215-2XXX 2000–2999Assigned METROPCS, INC. 5562 FENTON MI
2026-01-26 810-458-5XXX 5000–5999Assigned METROPCS, INC. 5562 LINDEN MI
2026-01-26 854-237-5XXX 5000–5999Assigned BANDWIDTH.COM CLEC, LLC - SC 077F MYRTLE BCH SC
2026-01-26 854-303-6XXX 6000–6999Assigned POWERTEL ATLANTA LICENSES, INC. 7473 BEAUFORT SC
2026-01-26 906-336-0XXX 0000–0999Assigned CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MI 6003 IRONWOOD MI
2026-01-26 959-278-1XXX 1000–1999Assigned CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CT 6388 HARTFORD CT
2026-01-23 207-714-8XXX 8000–8999Assigned BELL ATLANTIC MOBILE, INC 6386 WEST GRAY ME

Source: NANPA Thousands Block Assignment Report (All Regions, Public), file date 09/27/2026 — Tier A primary source, refreshed on every import. Viewing is free; bulk downloads require a membership.