NumberResearch Membership · Data 09/20/2026

Recent thousands-block assignments

21 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 580
ONVOY, LLC - OK 11
NEW CINGULAR WIRELESS PCS, LLC - IL 7
TELNYX LLC 1
T-MOBILE USA, INC. 1
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
Clear Download CSV ↓
Recent thousands-block assignments
AssignedThousands-blockLast 4 digitsStatusAssigneeOCNRate centerState
2016-06-01 580-476-5XXX 5000–5999Assigned ONVOY, LLC - OK 409F RUSH SPG OK
2016-06-01 580-476-6XXX 6000–6999Assigned ONVOY, LLC - OK 409F RUSH SPG OK
2016-06-01 580-641-4XXX 4000–4999Assigned ONVOY, LLC - OK 409F MARLOW OK
2016-06-01 580-641-5XXX 5000–5999Assigned ONVOY, LLC - OK 409F MARLOW OK
2016-06-01 580-681-2XXX 2000–2999Assigned ONVOY, LLC - OK 409F PERRY OK
2016-06-01 580-681-3XXX 3000–3999Assigned ONVOY, LLC - OK 409F PERRY OK
2016-06-01 580-722-1XXX 1000–1999Assigned ONVOY, LLC - OK 409F NEWKIRK OK
2016-06-01 580-722-4XXX 4000–4999Assigned ONVOY, LLC - OK 409F NEWKIRK OK
2016-06-01 580-729-6XXX 6000–6999Assigned ONVOY, LLC - OK 409F SAYRE OK
2016-06-01 580-741-2XXX 2000–2999Assigned ONVOY, LLC - OK 409F MEDFORD OK
2016-06-01 580-741-3XXX 3000–3999Assigned ONVOY, LLC - OK 409F MEDFORD OK
2016-05-31 580-200-3XXX 3000–3999Assigned ONVOY, LLC - OK 409F CADDO OK
2016-05-31 580-200-4XXX 4000–4999Assigned ONVOY, LLC - OK 409F CADDO OK
2016-05-31 580-203-2XXX 2000–2999Assigned ONVOY, LLC - OK 409F FORTTOWSON OK
2016-05-31 580-203-3XXX 3000–3999Assigned ONVOY, LLC - OK 409F FORTTOWSON OK
2016-05-31 580-204-4XXX 4000–4999Assigned ONVOY, LLC - OK 409F BOSWELL OK
2016-05-31 580-205-5XXX 5000–5999Assigned ONVOY, LLC - OK 409F BENNINGTON OK
2016-05-31 580-209-3XXX 3000–3999Assigned ONVOY, LLC - OK 409F ANTLERS OK
2016-05-31 580-209-4XXX 4000–4999Assigned ONVOY, LLC - OK 409F ANTLERS OK
2016-05-31 580-218-8XXX 8000–8999Assigned ONVOY, LLC - OK 409F BRECKENRDG OK
2016-05-31 580-232-3XXX 3000–3999Assigned ONVOY, LLC - OK 409F CACHE OK
2016-05-31 580-232-4XXX 4000–4999Assigned ONVOY, LLC - OK 409F CACHE OK
2016-05-31 580-246-6XXX 6000–6999Assigned ONVOY, LLC - OK 409F INDIAHOMA OK
2016-05-31 580-264-2XXX 2000–2999Assigned ONVOY, LLC - OK 409F HEALDTON OK
2016-05-31 580-264-3XXX 3000–3999Assigned ONVOY, LLC - OK 409F HEALDTON OK
2016-05-31 580-268-6XXX 6000–6999Assigned ONVOY, LLC - OK 409F MARLAND OK
2016-05-31 580-288-8XXX 8000–8999Assigned ONVOY, LLC - OK 409F KREMLIN OK
2016-05-31 580-309-6XXX 6000–6999Assigned ONVOY, LLC - OK 409F CLINTON OK
2016-05-31 580-309-9XXX 9000–9999Assigned ONVOY, LLC - OK 409F CLINTON OK
2016-05-31 580-316-3XXX 3000–3999Assigned ONVOY, LLC - OK 409F MADILL OK
2016-05-31 580-316-4XXX 4000–4999Assigned ONVOY, LLC - OK 409F MADILL OK
2016-05-31 580-325-6XXX 6000–6999Assigned ONVOY, LLC - OK 409F HILLSDALE OK
2016-05-31 580-337-7XXX 7000–7999Assigned ONVOY, LLC - OK 409F BESSIE OK
2016-05-31 580-358-8XXX 8000–8999Assigned ONVOY, LLC - OK 409F FAIRMONT OK
2016-05-31 580-368-1XXX 1000–1999Assigned ONVOY, LLC - OK 409F DAVIS OK
2016-05-31 580-368-2XXX 2000–2999Assigned ONVOY, LLC - OK 409F DAVIS OK
2016-05-31 580-394-2XXX 2000–2999Assigned ONVOY, LLC - OK 409F GLENCOE OK
2016-05-31 580-405-2XXX 2000–2999Assigned ONVOY, LLC - OK 409F ALLEN OK
2016-05-31 580-405-3XXX 3000–3999Assigned ONVOY, LLC - OK 409F ALLEN OK
2016-05-31 580-408-8XXX 8000–8999Assigned ONVOY, LLC - OK 409F RATTAN OK
2016-05-31 580-413-3XXX 3000–3999Assigned ONVOY, LLC - OK 409F RED ROCK OK
2016-05-31 580-422-2XXX 2000–2999Assigned ONVOY, LLC - OK 409F BILLINGS OK
2016-05-31 580-456-8XXX 8000–8999Assigned ONVOY, LLC - OK 409F ROFF OK
2016-05-31 580-498-8XXX 8000–8999Assigned ONVOY, LLC - OK 409F KONAWA OK
2016-05-31 580-498-9XXX 9000–9999Assigned ONVOY, LLC - OK 409F KONAWA OK
2016-05-31 580-535-8XXX 8000–8999Assigned ONVOY, LLC - OK 409F GRANITE OK
2016-05-31 580-535-9XXX 9000–9999Assigned ONVOY, LLC - OK 409F GRANITE OK
2016-05-31 580-563-0XXX 0000–0999Assigned ONVOY, LLC - OK 409F BLAIR OK
2016-05-31 580-596-4XXX 4000–4999Assigned ONVOY, LLC - OK 409F CHEROKEE OK
2016-05-31 580-609-7XXX 7000–7999Assigned ONVOY, LLC - OK 409F ALVA OK

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.