NumberResearch Membership · Data 09/20/2026

Recent thousands-block assignments

10 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 217
ONVOY, LLC 3
NEW CINGULAR WIRELESS PCS, LLC - IL 3
EXIANT COMMUNICATIONS LLC 3
OPENTACT 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
2019-03-28 217-805-8XXX 8000–8999Assigned ONVOY, LLC 224C PALMYRA IL
2019-03-28 217-805-9XXX 9000–9999Assigned ONVOY, LLC 224C PALMYRA IL
2019-03-27 217-290-1XXX 1000–1999Assigned ONVOY, LLC 224C RIVERTON IL
2019-03-27 217-290-2XXX 2000–2999Assigned ONVOY, LLC 224C RIVERTON IL
2019-03-25 217-462-7XXX 7000–7999Assigned CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IL 6333 DECATUR IL
2019-03-25 217-917-3XXX 3000–3999Assigned CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IL 6333 DECATUR IL
2019-03-25 217-917-5XXX 5000–5999Assigned CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IL 6333 DECATUR IL
2019-03-22 217-262-0XXX 0000–0999Assigned ONVOY, LLC 224C HAMMOND IL
2019-03-22 217-262-1XXX 1000–1999Assigned ONVOY, LLC 224C HAMMOND IL
2019-03-22 217-292-1XXX 1000–1999Assigned ONVOY, LLC 224C SULLIVAN IL
2019-03-22 217-292-8XXX 8000–8999Assigned ONVOY, LLC 224C SULLIVAN IL
2019-03-22 217-319-0XXX 0000–0999Assigned ONVOY, LLC 224C CHATHAM IL
2019-03-22 217-319-1XXX 1000–1999Assigned ONVOY, LLC 224C CHATHAM IL
2019-03-22 217-360-8XXX 8000–8999Assigned ONVOY, LLC 224C MASON CITY IL
2019-03-22 217-360-9XXX 9000–9999Assigned ONVOY, LLC 224C MASON CITY IL
2019-03-22 217-632-8XXX 8000–8999Assigned ONVOY, LLC 224C PETERSBURG IL
2019-03-22 217-632-9XXX 9000–9999Assigned ONVOY, LLC 224C PETERSBURG IL
2019-03-22 217-634-6XXX 6000–6999Assigned ONVOY, LLC 224C TALLULA IL
2019-03-22 217-634-7XXX 7000–7999Assigned ONVOY, LLC 224C TALLULA IL
2019-03-22 217-952-1XXX 1000–1999Assigned ONVOY, LLC 224C ATHENS IL
2019-03-22 217-952-8XXX 8000–8999Assigned ONVOY, LLC 224C ATHENS IL
2019-03-14 217-761-0XXX 0000–0999Assigned CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IL 6333 SPRINGFLD IL
2019-03-04 217-350-6XXX 6000–6999Assigned TELEPORT COMMUNICATIONS AMERICA, LLC - IL 7136 MOUNT ZION IL
2019-03-04 217-560-6XXX 6000–6999Assigned TELEPORT COMMUNICATIONS AMERICA, LLC - IL 7136 CHAMPAURBN IL
2019-02-19 217-203-3XXX 3000–3999Assigned TERRA NOVA TELECOM INC. 145J BUFFALO IL
2019-02-19 217-689-9XXX 9000–9999Assigned TERRA NOVA TELECOM INC. 145J CHAMPAURBN IL
2019-02-13 217-817-8XXX 8000–8999Assigned ONVOY, LLC 224C MONTICELLO IL
2019-02-12 217-334-3XXX 3000–3999Assigned LEVEL 3 COMMUNICATIONS, LLC - IL 6115 COLUMBUS IL
2019-01-23 217-674-6XXX 6000–6999Assigned ONVOY, LLC 224C LATHAM IL
2019-01-23 217-796-7XXX 7000–7999Assigned ONVOY, LLC 224C CHESTNUT IL
2019-01-17 217-296-5XXX 5000–5999Assigned MCIMETRO ACCESS TRANSMISSION SERVICES LLC - IL 7196 SHELBYVL IL
2018-12-27 217-551-3XXX 3000–3999Assigned MTC COMMUNICATIONS, INC. - IL 342F HAMILTON IL
2018-12-27 217-845-2XXX 2000–2999Assigned MTC COMMUNICATIONS, INC. - IL 342F ELVASTON IL
2018-12-18 217-767-3XXX 3000–3999Assigned NEW CINGULAR WIRELESS PCS, LLC - IL 6534 ELWIN IL
2018-12-18 217-920-8XXX 8000–8999Assigned T-MOBILE USA, INC. 6529 DANVILLE IL
2018-12-18 217-920-9XXX 9000–9999Assigned T-MOBILE USA, INC. 6529 DANVILLE IL
2018-12-13 217-806-8XXX 8000–8999Assigned T-MOBILE USA, INC. 6529 DANVILLE IL
2018-12-11 217-516-7XXX 7000–7999Assigned CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IL 6333 DANVILLE IL
2018-12-11 217-655-3XXX 3000–3999Assigned CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IL 6333 DANVILLE IL
2018-12-06 217-295-0XXX 0000–0999Assigned CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IL 6333 MATTOON IL
2018-12-06 217-295-8XXX 8000–8999Assigned CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IL 6333 MATTOON IL
2018-12-06 217-295-9XXX 9000–9999Assigned CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IL 6333 MATTOON IL
2018-11-08 217-843-2XXX 2000–2999Assigned COMMIO, LLC 939H SPRINGFLD IL
2018-11-02 217-888-0XXX 0000–0999Assigned CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IL 6333 CHAMPAURBN IL
2018-10-29 217-602-2XXX 2000–2999Assigned MEDIACOM TELEPHONY OF ILLINOIS, LLC - IL 846F JACKSONVL IL
2018-10-19 217-207-4XXX 4000–4999Assigned ONVOY, LLC 224C ST JOSEPH IL
2018-10-19 217-574-5XXX 5000–5999Assigned ONVOY, LLC 224C FAIRMOUNT IL
2018-10-19 217-926-2XXX 2000–2999Assigned T-MOBILE USA, INC. 6529 ARCOLA IL
2018-10-19 217-926-3XXX 3000–3999Assigned T-MOBILE USA, INC. 6529 ARCOLA IL
2018-10-19 217-926-4XXX 4000–4999Assigned T-MOBILE USA, INC. 6529 ARCOLA IL

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.