NumberResearch Membership · Data 09/20/2026

Recent thousands-block assignments

16 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 262
ONVOY, LLC - WI 8
CELLCO PARTNERSHIP DBA VERIZON WIRELESS - WI 3
INTRADO COMMUNICATIONS, LLC 2
U.S. TELEPACIFIC CORP. DBA TPX COMMUNICATIONS 1
T-MOBILE USA, INC. 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
2005-06-08 262-203-6XXX 6000–6999Assigned NEW CINGULAR WIRELESS PCS, LLC - IL 6534 LAKEGENEVA WI
2005-06-01 262-237-4XXX 4000–4999Assigned NEW CINGULAR WIRELESS PCS, LLC - IL 6534 KENOSHA WI
2005-06-01 262-902-5XXX 5000–5999Assigned NEW CINGULAR WIRELESS PCS, LLC - IL 6534 RACINE WI
2005-05-31 262-456-4XXX 4000–4999Assigned TWC IP ENABLED SERVICES, LLC 793K RACINE WI
2005-05-23 262-957-6XXX 6000–6999Assigned CELLCO PARTNERSHIP DBA VERIZON WIRELESS - WI 6508 MILWAUKZN2 WI
2005-05-23 262-957-7XXX 7000–7999Assigned CELLCO PARTNERSHIP DBA VERIZON WIRELESS - WI 6508 MILWAUKZN2 WI
2005-05-19 262-754-5XXX 5000–5999Assigned TDS METROCOM, LLC 520K MILWAUKZN2 WI
2005-05-16 262-408-0XXX 0000–0999Assigned NEW CINGULAR WIRELESS PCS, LLC - IL 6534 WAUKESHA WI
2005-05-16 262-408-8XXX 8000–8999Assigned NEW CINGULAR WIRELESS PCS, LLC - IL 6534 WAUKESHA WI
2005-05-16 262-408-9XXX 9000–9999Assigned NEW CINGULAR WIRELESS PCS, LLC - IL 6534 WAUKESHA WI
2005-05-16 262-951-5XXX 5000–5999Assigned NEW CINGULAR WIRELESS PCS, LLC - IL 6534 WAUKESHA WI
2005-05-10 262-672-2XXX 2000–2999Assigned LEVEL 3 COMMUNICATIONS, LLC - WI 5489 RACINE WI
2005-05-10 262-672-6XXX 6000–6999Assigned LEVEL 3 COMMUNICATIONS, LLC - WI 5489 RACINE WI
2005-05-09 262-295-5XXX 5000–5999Assigned METROPCS, INC. 5562 GENOA CITY WI
2005-05-03 262-415-5XXX 5000–5999Assigned AT&T ENTERPRISES, LLC 516C MENOMONFLS WI
2005-04-29 262-303-4XXX 4000–4999Assigned TWC IP ENABLED SERVICES, LLC 793K DELAFIELD WI
2005-04-27 262-431-4XXX 4000–4999Assigned TWC IP ENABLED SERVICES, LLC 793K DOUSMAN WI
2005-04-21 262-951-6XXX 6000–6999Assigned CELLCO PARTNERSHIP DBA VERIZON WIRELESS - WI 6508 WAUKESHA WI
2005-04-20 262-623-2XXX 2000–2999Assigned CELLCO PARTNERSHIP DBA VERIZON WIRELESS - WI 6508 HUBERTUS WI
2005-04-13 262-244-7XXX 7000–7999Assigned PAETEC ITEL, LLC 829J OCONOMOWOC WI
2005-04-13 262-244-8XXX 8000–8999Assigned PAETEC ITEL, LLC 829J OCONOMOWOC WI
2005-04-12 262-201-4XXX 4000–4999Assigned TWC IP ENABLED SERVICES, LLC 793K GENESEE WI
2005-04-12 262-372-4XXX 4000–4999Assigned TWC IP ENABLED SERVICES, LLC 793K SUSSEX WI
2005-04-12 262-384-0XXX 0000–0999Assigned NEW CINGULAR WIRELESS PCS, LLC - IL 6534 WEST BEND WI
2005-04-12 262-384-1XXX 1000–1999Assigned NEW CINGULAR WIRELESS PCS, LLC - IL 6534 WEST BEND WI
2005-04-12 262-392-4XXX 4000–4999Assigned TWC IP ENABLED SERVICES, LLC 793K NO PRAIRIE WI
2005-04-12 262-468-4XXX 4000–4999Assigned TWC IP ENABLED SERVICES, LLC 793K OCONOMOWOC WI
2005-04-12 262-592-3XXX 3000–3999Assigned TWC IP ENABLED SERVICES, LLC 793K EAGLE WI
2005-04-12 262-682-4XXX 4000–4999Assigned TWC IP ENABLED SERVICES, LLC 793K MUSKEGO WI
2005-04-12 262-706-3XXX 3000–3999Assigned TWC IP ENABLED SERVICES, LLC 793K BIG BEND WI
2005-04-12 262-864-4XXX 4000–4999Assigned TWC IP ENABLED SERVICES, LLC 793K UNIONGROVE WI
2005-04-12 262-891-3XXX 3000–3999Assigned TWC IP ENABLED SERVICES, LLC 793K BRISTOL WI
2005-04-07 262-347-4XXX 4000–4999Assigned LEVEL 3 COMMUNICATIONS, LLC - WI 5489 WAUKESHA WI
2005-04-07 262-510-0XXX 0000–0999Assigned LEVEL 3 COMMUNICATIONS, LLC - WI 5489 WAUKESHA WI
2005-04-01 262-706-4XXX 4000–4999Assigned LEVEL 3 COMMUNICATIONS, LLC - WI 5489 BIG BEND WI
2005-04-01 262-910-6XXX 6000–6999Assigned LEVEL 3 COMMUNICATIONS, LLC - WI 5489 BIG BEND WI
2005-03-17 262-457-4XXX 4000–4999Assigned LEVEL 3 COMMUNICATIONS, LLC - WI 5489 HARTFORD WI
2005-03-17 262-988-4XXX 4000–4999Assigned LEVEL 3 COMMUNICATIONS, LLC - WI 5489 PTWASHIGTN WI
2005-03-16 262-764-4XXX 4000–4999Assigned TWC IP ENABLED SERVICES, LLC 793K KENOSHA WI
2005-03-02 262-391-2XXX 2000–2999Assigned T-MOBILE USA, INC. 6529 WAUKESHA WI
2005-02-22 262-421-1XXX 1000–1999Assigned LEVEL 3 COMMUNICATIONS, LLC - WI 5489 CEDARBURG WI
2005-02-22 262-421-2XXX 2000–2999Assigned LEVEL 3 COMMUNICATIONS, LLC - WI 5489 CEDARBURG WI
2005-02-22 262-421-7XXX 7000–7999Assigned LEVEL 3 COMMUNICATIONS, LLC - WI 5489 CEDARBURG WI
2005-02-18 262-378-4XXX 4000–4999Assigned TWC IP ENABLED SERVICES, LLC 793K MUKWONAGO WI
2005-02-18 262-684-5XXX 5000–5999Assigned TWC IP ENABLED SERVICES, LLC 793K EAST TROY WI
2005-02-16 262-672-3XXX 3000–3999Assigned T-MOBILE USA, INC. 6529 RACINE WI
2005-02-14 262-902-1XXX 1000–1999Assigned NEW CINGULAR WIRELESS PCS, LLC - IL 6534 RACINE WI
2005-02-14 262-902-2XXX 2000–2999Assigned NEW CINGULAR WIRELESS PCS, LLC - IL 6534 RACINE WI
2005-02-14 262-902-3XXX 3000–3999Assigned NEW CINGULAR WIRELESS PCS, LLC - IL 6534 RACINE WI
2005-02-14 262-902-4XXX 4000–4999Assigned NEW CINGULAR WIRELESS PCS, LLC - IL 6534 RACINE WI

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.