NumberResearch Membership · Data 09/20/2026

Recent thousands-block assignments

5 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 989
INTRADO COMMUNICATIONS, LLC 3
CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MI 1
AHOI LLC 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
2017-04-27 989-966-3XXX 3000–3999Assigned ONVOY, LLCV - MI 543C VANDERBILT MI
2017-04-26 989-365-6XXX 6000–6999Assigned CHARTER IP ENABLED SERVICES, LLC 792K SIX LAKES MI
2017-04-24 989-975-6XXX 6000–6999Assigned NEW CINGULAR WIRELESS PCS, LLC - IL 6534 BAD AXE MI
2017-04-20 989-273-2XXX 2000–2999Assigned ONVOY, LLCV - MI 543C HIGGINS LK MI
2017-04-20 989-301-2XXX 2000–2999Assigned ONVOY, LLCV - MI 543C HEMLOCK MI
2017-04-20 989-382-2XXX 2000–2999Assigned ONVOY, LLCV - MI 543C BARRYTON MI
2017-04-20 989-461-3XXX 3000–3999Assigned ONVOY, LLCV - MI 543C GAINES MI
2017-04-20 989-467-3XXX 3000–3999Assigned ONVOY, LLCV - MI 543C CLIFFORD MI
2017-04-20 989-481-4XXX 4000–4999Assigned ONVOY, LLCV - MI 543C BRECKENRDG MI
2017-04-13 989-869-9XXX 9000–9999Assigned CHARTER IP ENABLED SERVICES, LLC 792K TWINING MI
2017-04-12 989-403-8XXX 8000–8999Assigned CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MI 6003 ST JOHNS MI
2017-04-10 989-525-9XXX 9000–9999Assigned NEW CINGULAR WIRELESS PCS, LLC - IL 6534 SAGINAW MI
2017-04-10 989-909-3XXX 3000–3999Assigned NEW CINGULAR WIRELESS PCS, LLC - IL 6534 SAGINAW MI
2017-04-10 989-909-4XXX 4000–4999Assigned NEW CINGULAR WIRELESS PCS, LLC - IL 6534 SAGINAW MI
2017-04-10 989-909-5XXX 5000–5999Assigned NEW CINGULAR WIRELESS PCS, LLC - IL 6534 SAGINAW MI
2017-03-08 989-459-4XXX 4000–4999Assigned TELEPORT COMMUNICATIONS AMERICA, LLC - MI 770E BAY CITY MI
2017-02-17 989-251-5XXX 5000–5999Assigned NEW CINGULAR WIRELESS PCS, LLC - IL 6534 OWOSSO MI
2017-01-31 989-771-6XXX 6000–6999Assigned ONVOY, LLCV - MI 543C SAGINAW MI
2017-01-12 989-658-0XXX 0000–0999Assigned BANDWIDTH.COM CLEC, LLC - MI 991E UBLY MI
2016-12-13 989-343-5XXX 5000–5999Assigned CHARTER IP ENABLED SERVICES, LLC 792K WESTBRANCH MI
2016-11-29 989-264-4XXX 4000–4999Assigned CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MI 6003 MIDLAND MI
2016-11-29 989-264-5XXX 5000–5999Assigned CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MI 6003 MIDLAND MI
2016-11-17 989-999-1XXX 1000–1999Assigned PEERLESS NETWORK OF MICHIGAN, LLC - MI 933G BIRCH RUN MI
2016-11-16 989-710-9XXX 9000–9999Assigned ONVOY, LLCV - MI 543C GRAYLING MI
2016-11-09 989-342-6XXX 6000–6999Assigned TELEPORT COMMUNICATIONS AMERICA, LLC - MI 770E LEWISTON MI
2016-10-12 989-256-3XXX 3000–3999Assigned CHARTER IP ENABLED SERVICES, LLC 792K GLADWIN MI
2016-10-10 989-342-4XXX 4000–4999Assigned 123.NET, LLC 2550 LEWISTON MI
2016-10-05 989-256-2XXX 2000–2999Assigned OMNIPOINT COMMUNICATIONS MIDWEST OPERATIONS, LLC 2964 GLADWIN MI
2016-09-22 989-278-7XXX 7000–7999Assigned OMNIPOINT COMMUNICATIONS MIDWEST OPERATIONS, LLC 2964 ALPENA MI
2016-09-12 989-215-4XXX 4000–4999Assigned TELEPORT COMMUNICATIONS AMERICA, LLC - MI 770E OSCODA MI
2016-09-12 989-256-6XXX 6000–6999Assigned TELEPORT COMMUNICATIONS AMERICA, LLC - MI 770E GLADWIN MI
2016-09-12 989-445-6XXX 6000–6999Assigned TELEPORT COMMUNICATIONS AMERICA, LLC - MI 770E CHESANING MI
2016-09-01 989-313-5XXX 5000–5999Assigned CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MI 6003 PINCONNING MI
2016-08-31 989-770-2XXX 2000–2999Assigned NEW CINGULAR WIRELESS PCS, LLC - IL 6534 SAGINAW MI
2016-08-31 989-770-3XXX 3000–3999Assigned NEW CINGULAR WIRELESS PCS, LLC - IL 6534 SAGINAW MI
2016-08-31 989-770-6XXX 6000–6999Assigned NEW CINGULAR WIRELESS PCS, LLC - IL 6534 SAGINAW MI
2016-08-31 989-770-7XXX 7000–7999Assigned NEW CINGULAR WIRELESS PCS, LLC - IL 6534 SAGINAW MI
2016-08-31 989-770-8XXX 8000–8999Assigned NEW CINGULAR WIRELESS PCS, LLC - IL 6534 SAGINAW MI
2016-08-25 989-268-4XXX 4000–4999Assigned CHARTER IP ENABLED SERVICES, LLC 792K VESTABURG MI
2016-08-22 989-217-6XXX 6000–6999Assigned BANDWIDTH.COM CLEC, LLC - MI 991E GAYLORD MI
2016-08-22 989-884-7XXX 7000–7999Assigned NEW CINGULAR WIRELESS PCS, LLC - IL 6534 ALPENA MI
2016-08-22 989-884-9XXX 9000–9999Assigned NEW CINGULAR WIRELESS PCS, LLC - IL 6534 ALPENA MI
2016-08-09 989-776-3XXX 3000–3999Assigned AT&T ENTERPRISES, LLC 516C SAGINAW MI
2016-08-04 989-286-4XXX 4000–4999Assigned TELEPORT COMMUNICATIONS AMERICA, LLC - MI 770E CARO MI
2016-08-03 989-260-2XXX 2000–2999Assigned CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MI 6003 EAST TAWAS MI
2016-07-27 989-726-1XXX 1000–1999Assigned BANDWIDTH.COM CLEC, LLC - MI 991E WESTBRANCH MI
2016-07-20 989-771-7XXX 7000–7999Assigned BANDWIDTH.COM CLEC, LLC - MI 991E SAGINAW MI
2016-07-12 989-787-5XXX 5000–5999Assigned PAETEC ITEL, LLC 829J WESTBRANCH MI
2016-07-11 989-710-3XXX 3000–3999Assigned NEW CINGULAR WIRELESS PCS, LLC - IL 6534 GRAYLING MI
2016-07-07 989-658-9XXX 9000–9999Assigned TELEPORT COMMUNICATIONS AMERICA, LLC - MI 770E UBLY MI

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.