NumberResearch Membership · Data 09/20/2026

Recent thousands-block assignments

2 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 815
VERSATEL LLC 1
CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IL 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
2018-11-28 815-854-5XXX 5000–5999Assigned ONVOY, LLC 224C LONG POINT IL
2018-11-28 815-863-8XXX 8000–8999Assigned ONVOY, LLC 224C RUTLAND IL
2018-11-28 815-869-8XXX 8000–8999Assigned ONVOY, LLC 224C MAGNOLIA IL
2018-11-28 815-934-3XXX 3000–3999Assigned ONVOY, LLC 224C EMINGTON IL
2018-11-28 815-949-4XXX 4000–4999Assigned ONVOY, LLC 224C CABERY IL
2018-11-28 815-998-5XXX 5000–5999Assigned ONVOY, LLC 224C ODELL IL
2018-11-01 815-620-9XXX 9000–9999Assigned PEERLESS NETWORK OF ILLINOIS, LLC - IL 063E MINOOKA IL
2018-10-22 815-221-9XXX 9000–9999Assigned METROPCS, INC. 5562 LOCKPORT IL
2018-10-19 815-270-8XXX 8000–8999Assigned ONVOY, LLC 224C ROSCOE IL
2018-10-19 815-447-4XXX 4000–4999Assigned ONVOY, LLC 224C DEPUE IL
2018-10-03 815-821-6XXX 6000–6999Assigned NEW CINGULAR WIRELESS PCS, LLC - IL 6534 FREEPORT IL
2018-10-01 815-638-7XXX 7000–7999Assigned PEERLESS NETWORK OF ILLINOIS, LLC - IL 063E LA MOILLE IL
2018-09-28 815-860-7XXX 7000–7999Assigned TELEPORT COMMUNICATIONS AMERICA, LLC - IL 7136 ELWOOD IL
2018-09-28 815-860-8XXX 8000–8999Assigned TELEPORT COMMUNICATIONS AMERICA, LLC - IL 7136 ELWOOD IL
2018-09-27 815-821-7XXX 7000–7999Assigned METROPCS, INC. 5562 FREEPORT IL
2018-09-10 815-239-0XXX 0000–0999Assigned LEVEL 3 COMMUNICATIONS, LLC - IL 6115 PECATONICA IL
2018-08-29 815-656-9XXX 9000–9999Assigned CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IL 6333 FREEPORT IL
2018-08-23 815-205-6XXX 6000–6999Assigned ONVOY, LLC 224C COAL CITY IL
2018-08-23 815-242-8XXX 8000–8999Assigned ONVOY, LLC 224C MINOOKA IL
2018-08-23 815-324-7XXX 7000–7999Assigned ONVOY, LLC 224C OTTAWA IL
2018-08-23 815-427-5XXX 5000–5999Assigned ONVOY, LLC 224C ST ANNE IL
2018-08-23 815-450-4XXX 4000–4999Assigned ONVOY, LLC 224C MOMENCE IL
2018-08-23 815-916-7XXX 7000–7999Assigned ONVOY, LLC 224C PLATTVILLE IL
2018-08-09 815-283-3XXX 3000–3999Assigned ONVOY, LLC 224C WATERMAN IL
2018-08-09 815-286-8XXX 8000–8999Assigned ONVOY, LLC 224C HINCKLEY IL
2018-08-09 815-336-5XXX 5000–5999Assigned ONVOY, LLC 224C COLETA IL
2018-08-09 815-384-4XXX 4000–4999Assigned ONVOY, LLC 224C CRESTON IL
2018-08-09 815-393-9XXX 9000–9999Assigned ONVOY, LLC 224C MONROE CTR IL
2018-08-09 815-396-6XXX 6000–6999Assigned ONVOY, LLC 224C STEWARD IL
2018-08-09 815-453-3XXX 3000–3999Assigned ONVOY, LLC 224C ASHTON IL
2018-08-09 815-456-5XXX 5000–5999Assigned ONVOY, LLC 224C FRANKLIGRV IL
2018-08-09 815-522-5XXX 5000–5999Assigned ONVOY, LLC 224C KIRKLAND IL
2018-08-09 815-542-2XXX 2000–2999Assigned ONVOY, LLC 224C THOMAS IL
2018-08-09 815-571-5XXX 5000–5999Assigned ONVOY, LLC 224C SHANNON IL
2018-08-09 815-576-6XXX 6000–6999Assigned ONVOY, LLC 224C POLO IL
2018-08-09 815-824-0XXX 0000–0999Assigned ONVOY, LLC 224C SHABBONA IL
2018-08-09 815-825-5XXX 5000–5999Assigned ONVOY, LLC 224C MALTA IL
2018-08-09 815-827-7XXX 7000–7999Assigned ONVOY, LLC 224C MAPLE PARK IL
2018-08-09 815-849-4XXX 4000–4999Assigned ONVOY, LLC 224C SUBLETTE IL
2018-08-09 815-855-5XXX 5000–5999Assigned ONVOY, LLC 224C MILLEDGEVL IL
2018-08-09 815-857-5XXX 5000–5999Assigned ONVOY, LLC 224C AMBOY IL
2018-08-09 815-881-1XXX 1000–1999Assigned ONVOY, LLC 224C OREGON IL
2018-08-09 815-913-1XXX 1000–1999Assigned ONVOY, LLC 224C CHADWICK IL
2018-08-09 815-948-3XXX 3000–3999Assigned ONVOY, LLC 224C HOOPPOLE IL
2018-08-09 815-982-2XXX 2000–2999Assigned ONVOY, LLC 224C TAMPICO IL
2018-08-09 815-989-5XXX 5000–5999Assigned ONVOY, LLC 224C PROPHETSTN IL
2018-08-09 815-991-1XXX 1000–1999Assigned ONVOY, LLC 224C SYCAMORE IL
2018-08-02 815-551-5XXX 5000–5999Assigned ONVOY, LLC 224C LANARK IL
2018-08-02 815-858-8XXX 8000–8999Assigned UNITED STATES CELLULAR - IL 6265 ELIZABETH IL
2018-08-01 815-457-1XXX 1000–1999Assigned ONVOY, LLC 224C CISSNAPARK 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.