NumberResearch Membership · Data 09/19/2026

Recent thousands-block assignments

2 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 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
2021-04-24 815-771-5XXX 5000–5999Assigned ONVOY SPECTRUM, LLC 624H ASHKUM IL
2021-04-24 815-771-6XXX 6000–6999Assigned ONVOY SPECTRUM, LLC 624H ASHKUM IL
2021-04-14 815-454-4XXX 4000–4999Assigned ONVOY, LLC 224C SHEFFIELD IL
2021-03-31 815-423-7XXX 7000–7999Assigned PEERLESS NETWORK OF ILLINOIS, LLC - IL 063E ELWOOD IL
2021-03-31 815-560-3XXX 3000–3999Assigned TERRA NOVA TELECOM INC. 145J HARVARD IL
2021-03-31 815-755-9XXX 9000–9999Assigned PEERLESS NETWORK OF ILLINOIS, LLC - IL 063E SENECA IL
2021-03-09 815-554-4XXX 4000–4999Assigned ONVOY, LLC 224C E DUBUQUE IL
2021-03-06 815-454-3XXX 3000–3999Assigned ONVOY, LLC 224C SHEFFIELD IL
2021-03-06 815-934-4XXX 4000–4999Assigned ONVOY, LLC 224C EMINGTON IL
2021-03-05 815-283-6XXX 6000–6999Assigned ONVOY, LLC 224C WATERMAN IL
2021-03-05 815-396-3XXX 3000–3999Assigned ONVOY, LLC 224C STEWARD IL
2021-03-05 815-567-6XXX 6000–6999Assigned ONVOY, LLC 224C CAMPUS IL
2021-03-05 815-571-7XXX 7000–7999Assigned ONVOY, LLC 224C SHANNON IL
2021-03-05 815-576-7XXX 7000–7999Assigned ONVOY, LLC 224C POLO IL
2021-03-05 815-576-8XXX 8000–8999Assigned ONVOY, LLC 224C POLO IL
2021-03-05 815-849-6XXX 6000–6999Assigned ONVOY, LLC 224C SUBLETTE IL
2021-03-05 815-855-8XXX 8000–8999Assigned ONVOY, LLC 224C MILLEDGEVL IL
2021-03-05 815-881-4XXX 4000–4999Assigned ONVOY, LLC 224C OREGON IL
2021-03-05 815-881-5XXX 5000–5999Assigned ONVOY, LLC 224C OREGON IL
2021-03-05 815-913-4XXX 4000–4999Assigned ONVOY, LLC 224C CHADWICK IL
2021-03-05 815-949-5XXX 5000–5999Assigned ONVOY, LLC 224C CABERY IL
2021-03-05 815-951-1XXX 1000–1999Assigned ONVOY, LLC 224C AMBOY IL
2021-03-05 815-970-9XXX 9000–9999Assigned ONVOY, LLC 224C SYCAMORE IL
2021-03-05 815-982-5XXX 5000–5999Assigned ONVOY, LLC 224C TAMPICO IL
2021-03-05 815-989-9XXX 9000–9999Assigned ONVOY, LLC 224C PROPHETSTN IL
2021-03-04 815-247-1XXX 1000–1999Assigned ONVOY, LLC 224C SEWARD IL
2021-03-04 815-248-0XXX 0000–0999Assigned ONVOY, LLC 224C DURAND IL
2021-03-04 815-362-0XXX 0000–0999Assigned ONVOY, LLC 224C GERMAN VLY IL
2021-03-04 815-367-6XXX 6000–6999Assigned ONVOY, LLC 224C WINSLOW IL
2021-03-04 815-369-8XXX 8000–8999Assigned ONVOY, LLC 224C LENA IL
2021-03-04 815-400-3XXX 3000–3999Assigned MCIMETRO ACCESS TRANSMISSION SERVICES LLC 7229 MORRISON IL
2021-03-04 815-443-5XXX 5000–5999Assigned ONVOY, LLC 224C PEARL CITY IL
2021-03-04 815-449-5XXX 5000–5999Assigned ONVOY, LLC 224C DAKOTA IL
2021-03-04 815-563-3XXX 3000–3999Assigned ONVOY, LLC 224C CEDARVILLE IL
2021-03-04 815-591-6XXX 6000–6999Assigned ONVOY, LLC 224C HANOVER IL
2021-03-04 815-594-4XXX 4000–4999Assigned ONVOY, LLC 224C APPLERIVER IL
2021-03-04 815-597-4XXX 4000–4999Assigned ONVOY, LLC 224C GARDENPRRI IL
2021-03-04 815-598-8XXX 8000–8999Assigned ONVOY, LLC 224C MASSBACH IL
2021-03-04 815-745-8XXX 8000–8999Assigned ONVOY, LLC 224C WARREN IL
2021-03-04 815-789-6XXX 6000–6999Assigned ONVOY, LLC 224C ORANGEVL IL
2021-03-04 815-800-2XXX 2000–2999Assigned ONVOY, LLC 224C POPLAR GRV IL
2021-03-04 815-800-3XXX 3000–3999Assigned ONVOY, LLC 224C POPLAR GRV IL
2021-03-04 815-845-8XXX 8000–8999Assigned ONVOY, LLC 224C SCALESMOND IL
2021-03-04 815-865-8XXX 8000–8999Assigned ONVOY, LLC 224C DAVIS IL
2021-03-04 815-868-8XXX 8000–8999Assigned ONVOY, LLC 224C MCCONNELL IL
2021-03-04 815-892-2XXX 2000–2999Assigned ONVOY, LLC 224C STILMANVLY IL
2021-03-04 815-930-8XXX 8000–8999Assigned ONVOY, LLC 224C ELIZABETH IL
2021-03-04 815-938-0XXX 0000–0999Assigned ONVOY, LLC 224C FORRESTON IL
2021-03-04 815-947-4XXX 4000–4999Assigned ONVOY, LLC 224C STOCKTON IL
2021-03-04 815-957-9XXX 9000–9999Assigned ONVOY, LLC 224C ROCKTON IL

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.