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 339
NEW CINGULAR WIRELESS PCS, LLC - DC 1
EXIANT COMMUNICATIONS LLC 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
2021-06-11 339-400-6XXX 6000–6999Assigned ONVOY, LLC - MA 892D SAUGUS MA
2021-06-11 339-400-7XXX 7000–7999Assigned ONVOY, LLC - MA 892D SAUGUS MA
2021-06-11 339-400-9XXX 9000–9999Assigned ONVOY, LLC - MA 892D SAUGUS MA
2021-06-11 339-565-2XXX 2000–2999Assigned ONVOY, LLC - MA 892D LINCOLN MA
2021-06-11 339-565-3XXX 3000–3999Assigned ONVOY, LLC - MA 892D LINCOLN MA
2021-06-08 339-500-0XXX 0000–0999Assigned OMNIPOINT MIAMI E LICENSE, LLC 6889 LYNN MA
2021-05-18 339-329-4XXX 4000–4999Assigned ONVOY, LLC - MA 892D MARBLEHEAD MA
2021-05-18 339-329-5XXX 5000–5999Assigned ONVOY, LLC - MA 892D MARBLEHEAD MA
2021-05-18 339-330-0XXX 0000–0999Assigned ONVOY, LLC - MA 892D BRYANTVL MA
2021-05-18 339-330-5XXX 5000–5999Assigned ONVOY, LLC - MA 892D BRYANTVL MA
2021-05-18 339-330-6XXX 6000–6999Assigned ONVOY, LLC - MA 892D BRYANTVL MA
2021-05-18 339-330-8XXX 8000–8999Assigned ONVOY, LLC - MA 892D BRYANTVL MA
2021-05-18 339-331-0XXX 0000–0999Assigned ONVOY, LLC - MA 892D DUXBURY MA
2021-05-18 339-331-8XXX 8000–8999Assigned ONVOY, LLC - MA 892D DUXBURY MA
2021-05-18 339-356-0XXX 0000–0999Assigned ONVOY, LLC - MA 892D HULL MA
2021-04-26 339-365-8XXX 8000–8999Assigned FRACTEL, LLC 965H BRYANTVL MA
2021-04-16 339-329-2XXX 2000–2999Assigned ONVOY, LLC - MA 892D MARBLEHEAD MA
2021-04-16 339-329-8XXX 8000–8999Assigned ONVOY, LLC - MA 892D MARBLEHEAD MA
2021-04-16 339-330-1XXX 1000–1999Assigned ONVOY, LLC - MA 892D BRYANTVL MA
2021-04-16 339-330-2XXX 2000–2999Assigned ONVOY, LLC - MA 892D BRYANTVL MA
2021-04-16 339-330-3XXX 3000–3999Assigned ONVOY, LLC - MA 892D BRYANTVL MA
2021-04-16 339-330-4XXX 4000–4999Assigned ONVOY, LLC - MA 892D BRYANTVL MA
2021-04-12 339-399-9XXX 9000–9999Assigned FRACTEL, LLC 965H SHARON MA
2021-03-31 339-329-3XXX 3000–3999Assigned ONVOY, LLC - MA 892D MARBLEHEAD MA
2021-03-31 339-330-7XXX 7000–7999Assigned ONVOY, LLC - MA 892D BRYANTVL MA
2021-03-18 339-565-5XXX 5000–5999Assigned ONVOY SPECTRUM, LLC 624H LINCOLN MA
2021-03-16 339-255-9XXX 9000–9999Assigned ONVOY SPECTRUM, LLC 624H WEYMOUTH MA
2021-03-16 339-529-4XXX 4000–4999Assigned ONVOY SPECTRUM, LLC 624H WHITMAN MA
2021-03-15 339-400-8XXX 8000–8999Assigned ONVOY SPECTRUM, LLC 624H SAUGUS MA
2021-03-10 339-356-4XXX 4000–4999Assigned ONVOY SPECTRUM, LLC 624H HULL MA
2021-03-10 339-500-3XXX 3000–3999Assigned ONVOY SPECTRUM, LLC 624H LYNN MA
2021-03-09 339-300-6XXX 6000–6999Assigned ONVOY SPECTRUM, LLC 624H COHASSET MA
2021-03-09 339-331-7XXX 7000–7999Assigned ONVOY SPECTRUM, LLC 624H DUXBURY MA
2021-03-04 339-800-8XXX 8000–8999Assigned ONVOY SPECTRUM, LLC 624H ARLINGTON MA
2021-03-01 339-255-1XXX 1000–1999Assigned ONVOY, LLC - MA 892D WEYMOUTH MA
2021-03-01 339-255-3XXX 3000–3999Assigned ONVOY, LLC - MA 892D WEYMOUTH MA
2021-03-01 339-255-4XXX 4000–4999Assigned ONVOY, LLC - MA 892D WEYMOUTH MA
2021-02-19 339-400-1XXX 1000–1999Assigned TELNYX LLC 073H SAUGUS MA
2021-02-09 339-400-2XXX 2000–2999Assigned ONVOY, LLC - MA 892D SAUGUS MA
2021-02-09 339-400-3XXX 3000–3999Assigned ONVOY, LLC - MA 892D SAUGUS MA
2021-02-05 339-220-8XXX 8000–8999Assigned ONVOY, LLC - MA 892D BRYANTVL MA
2021-02-05 339-220-9XXX 9000–9999Assigned ONVOY, LLC - MA 892D BRYANTVL MA
2021-02-05 339-300-4XXX 4000–4999Assigned ONVOY, LLC - MA 892D COHASSET MA
2021-02-05 339-300-5XXX 5000–5999Assigned ONVOY, LLC - MA 892D COHASSET MA
2021-02-05 339-331-5XXX 5000–5999Assigned ONVOY, LLC - MA 892D DUXBURY MA
2021-02-05 339-331-6XXX 6000–6999Assigned ONVOY, LLC - MA 892D DUXBURY MA
2021-02-05 339-356-1XXX 1000–1999Assigned ONVOY, LLC - MA 892D HULL MA
2021-02-05 339-356-2XXX 2000–2999Assigned ONVOY, LLC - MA 892D HULL MA
2021-02-05 339-529-6XXX 6000–6999Assigned ONVOY, LLC - MA 892D WHITMAN MA
2021-02-05 339-529-7XXX 7000–7999Assigned ONVOY, LLC - MA 892D WHITMAN MA

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.