NumberResearch Membership · Data 09/19/2026

Recent thousands-block assignments

7 blocks assigned in the last 30 days · from the daily NANPA thousands-block report, 09/19/2026

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 574
OPENTACT INC. 4
PEERLESS NETWORK OF INDIANA, LLC - IN 1
ONVOY, LLC - IN 1
MCIMETRO ACCESS TRANSMISSION SERVICES LLC - IN 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
2022-10-21 574-365-0XXX 0000–0999Assigned ONVOY, LLC - IN 097D FULTON IN
2022-10-11 574-391-1XXX 1000–1999Assigned NUSO, LLC 732J KEWANNA IN
2022-10-11 574-574-0XXX 0000–0999Assigned ONVOY, LLC - IN 097D GOSHEN IN
2022-10-11 574-574-2XXX 2000–2999Assigned ONVOY, LLC - IN 097D GOSHEN IN
2022-10-11 574-574-3XXX 3000–3999Assigned ONVOY, LLC - IN 097D GOSHEN IN
2022-10-11 574-574-4XXX 4000–4999Assigned ONVOY, LLC - IN 097D GOSHEN IN
2022-10-11 574-574-7XXX 7000–7999Assigned ONVOY, LLC - IN 097D GOSHEN IN
2022-10-11 574-574-8XXX 8000–8999Assigned ONVOY, LLC - IN 097D GOSHEN IN
2022-10-11 574-574-9XXX 9000–9999Assigned ONVOY, LLC - IN 097D GOSHEN IN
2022-09-28 574-375-3XXX 3000–3999Assigned ONVOY, LLC - IN 097D TIPPECANOE IN
2022-09-28 574-390-3XXX 3000–3999Assigned COMCAST IP PHONE, LLC 318J ELKHART IN
2022-09-28 574-390-4XXX 4000–4999Assigned COMCAST IP PHONE, LLC 318J ELKHART IN
2022-09-28 574-390-5XXX 5000–5999Assigned COMCAST IP PHONE, LLC 318J ELKHART IN
2022-09-26 574-574-5XXX 5000–5999Assigned ONVOY, LLC - IN 097D GOSHEN IN
2022-09-26 574-574-6XXX 6000–6999Assigned ONVOY, LLC - IN 097D GOSHEN IN
2022-09-22 574-710-3XXX 3000–3999Assigned NEW CINGULAR WIRELESS PCS, LLC - IL 6534 SOUTH BEND IN
2022-09-22 574-710-8XXX 8000–8999Assigned NEW CINGULAR WIRELESS PCS, LLC - IL 6534 SOUTH BEND IN
2022-09-22 574-710-9XXX 9000–9999Assigned NEW CINGULAR WIRELESS PCS, LLC - IL 6534 SOUTH BEND IN
2022-09-21 574-381-8XXX 8000–8999Assigned CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IN 6725 SOUTH BEND IN
2022-09-21 574-390-0XXX 0000–0999Assigned CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IN 6725 ELKHART IN
2022-09-14 574-768-6XXX 6000–6999Assigned NEW CINGULAR WIRELESS PCS, LLC - IL 6534 ELKHART IN
2022-09-14 574-768-8XXX 8000–8999Assigned NEW CINGULAR WIRELESS PCS, LLC - IL 6534 ELKHART IN
2022-09-14 574-768-9XXX 9000–9999Assigned NEW CINGULAR WIRELESS PCS, LLC - IL 6534 ELKHART IN
2022-09-12 574-903-2XXX 2000–2999Assigned NEW CINGULAR WIRELESS PCS, LLC - IL 6534 GOSHEN IN
2022-09-07 574-768-5XXX 5000–5999Assigned VONAGE AMERICA LLC 197D ELKHART IN
2022-07-28 574-666-2XXX 2000–2999Assigned LEVEL 3 COMMUNICATIONS, LLC - IN 4803 SOUTH BEND IN
2022-07-25 574-381-4XXX 4000–4999Assigned ONVOY, LLC - IN 097D SOUTH BEND IN
2022-07-25 574-381-5XXX 5000–5999Assigned ONVOY, LLC - IN 097D SOUTH BEND IN
2022-07-25 574-381-6XXX 6000–6999Assigned ONVOY, LLC - IN 097D SOUTH BEND IN
2022-07-21 574-581-2XXX 2000–2999Assigned T-MOBILE USA, INC. 6529 MONTICELLO IN
2022-07-21 574-581-3XXX 3000–3999Assigned T-MOBILE USA, INC. 6529 MONTICELLO IN
2022-07-21 574-581-4XXX 4000–4999Assigned T-MOBILE USA, INC. 6529 MONTICELLO IN
2022-06-16 574-663-2XXX 2000–2999Assigned COMCAST IP PHONE, LLC 318J MIDDLEBURY IN
2022-06-06 574-263-4XXX 4000–4999Assigned TERRA NOVA TELECOM INC. 145J TIPPECANOE IN
2022-05-31 574-895-0XXX 0000–0999Assigned OMNIPOINT COMMUNICATIONS MIDWEST OPERATIONS, LLC 2964 SOUTH BEND IN
2022-05-31 574-895-1XXX 1000–1999Assigned OMNIPOINT COMMUNICATIONS MIDWEST OPERATIONS, LLC 2964 SOUTH BEND IN
2022-05-31 574-895-2XXX 2000–2999Assigned OMNIPOINT COMMUNICATIONS MIDWEST OPERATIONS, LLC 2964 SOUTH BEND IN
2022-05-31 574-895-3XXX 3000–3999Assigned OMNIPOINT COMMUNICATIONS MIDWEST OPERATIONS, LLC 2964 SOUTH BEND IN
2022-05-31 574-895-4XXX 4000–4999Assigned OMNIPOINT COMMUNICATIONS MIDWEST OPERATIONS, LLC 2964 SOUTH BEND IN
2022-05-31 574-895-5XXX 5000–5999Assigned OMNIPOINT COMMUNICATIONS MIDWEST OPERATIONS, LLC 2964 SOUTH BEND IN
2022-05-31 574-895-6XXX 6000–6999Assigned OMNIPOINT COMMUNICATIONS MIDWEST OPERATIONS, LLC 2964 SOUTH BEND IN
2022-05-31 574-895-7XXX 7000–7999Assigned OMNIPOINT COMMUNICATIONS MIDWEST OPERATIONS, LLC 2964 SOUTH BEND IN
2022-05-31 574-895-9XXX 9000–9999Assigned OMNIPOINT COMMUNICATIONS MIDWEST OPERATIONS, LLC 2964 SOUTH BEND IN
2022-05-16 574-374-6XXX 6000–6999Assigned CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IN 6725 GOSHEN IN
2022-05-16 574-381-0XXX 0000–0999Assigned CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IN 6725 SOUTH BEND IN
2022-05-12 574-768-0XXX 0000–0999Assigned NEW CINGULAR WIRELESS PCS, LLC - IL 6534 ELKHART IN
2022-05-12 574-768-1XXX 1000–1999Assigned NEW CINGULAR WIRELESS PCS, LLC - IL 6534 ELKHART IN
2022-05-12 574-768-2XXX 2000–2999Assigned NEW CINGULAR WIRELESS PCS, LLC - IL 6534 ELKHART IN
2022-05-12 574-768-3XXX 3000–3999Assigned NEW CINGULAR WIRELESS PCS, LLC - IL 6534 ELKHART IN
2022-05-12 574-768-4XXX 4000–4999Assigned NEW CINGULAR WIRELESS PCS, LLC - IL 6534 ELKHART IN

Source: NANPA Thousands Block Assignment Report (All Regions, Public), file date 09/19/2026 — Tier A primary source, refreshed on every import. Viewing is free; bulk downloads require a membership.