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
2023-07-12 339-273-9XXX 9000–9999Assigned ONVOY, LLC - MA 892D MARSHFIELD MA
2023-07-12 339-298-1XXX 1000–1999Assigned ONVOY, LLC - MA 892D WOBURN MA
2023-07-12 339-298-6XXX 6000–6999Assigned ONVOY, LLC - MA 892D WOBURN MA
2023-07-12 339-463-1XXX 1000–1999Assigned ONVOY, LLC - MA 892D BRAINTREE MA
2023-07-12 339-463-2XXX 2000–2999Assigned ONVOY, LLC - MA 892D BRAINTREE MA
2023-07-12 339-463-3XXX 3000–3999Assigned ONVOY, LLC - MA 892D BRAINTREE MA
2023-07-12 339-463-4XXX 4000–4999Assigned ONVOY, LLC - MA 892D BRAINTREE MA
2023-07-12 339-463-5XXX 5000–5999Assigned ONVOY, LLC - MA 892D BRAINTREE MA
2023-06-27 339-232-0XXX 0000–0999Assigned ONVOY, LLC - MA 892D DUXBURY MA
2023-06-27 339-466-1XXX 1000–1999Assigned ONVOY, LLC - MA 892D NORWELL MA
2023-06-23 339-231-3XXX 3000–3999Assigned OMNIPOINT MIAMI E LICENSE, LLC 6889 SAUGUS MA
2023-06-14 339-837-3XXX 3000–3999Assigned BOOST SUBSCRIBERCO L.L.C. 490J RANDOLPH MA
2023-06-09 339-207-5XXX 5000–5999Assigned ONVOY, LLC - MA 892D LYNN MA
2023-06-09 339-233-0XXX 0000–0999Assigned ONVOY, LLC - MA 892D BRYANTVL MA
2023-06-09 339-255-0XXX 0000–0999Assigned ONVOY, LLC - MA 892D WEYMOUTH MA
2023-06-09 339-529-1XXX 1000–1999Assigned ONVOY, LLC - MA 892D WHITMAN MA
2023-06-09 339-746-5XXX 5000–5999Assigned ONVOY, LLC - MA 892D WEYMOUTH MA
2023-06-09 339-800-2XXX 2000–2999Assigned ONVOY, LLC - MA 892D ARLINGTON MA
2023-05-22 339-238-0XXX 0000–0999Assigned BOOST SUBSCRIBERCO L.L.C. 490J NEEDHAM MA
2023-05-19 339-345-7XXX 7000–7999Assigned ONVOY, LLC - MA 892D MARBLEHEAD MA
2023-05-08 339-399-8XXX 8000–8999Assigned BOOST SUBSCRIBERCO L.L.C. 490J SHARON MA
2023-05-08 339-737-2XXX 2000–2999Assigned BOOST SUBSCRIBERCO L.L.C. 490J HANOVER MA
2023-05-01 339-240-7XXX 7000–7999Assigned ONVOY, LLC - MA 892D BURLINGTON MA
2023-04-04 339-231-7XXX 7000–7999Assigned COMCAST IP PHONE, LLC 318J SAUGUS MA
2023-03-27 339-219-7XXX 7000–7999Assigned TERRA NOVA TELECOM INC. 145J WAKEFIELD MA
2023-02-27 339-233-2XXX 2000–2999Assigned PEERLESS NETWORK OF MASSACHUSETTS, LLC - MA 268F BRYANTVL MA
2023-01-26 339-466-0XXX 0000–0999Assigned TELNYX LLC 073H NORWELL MA
2023-01-24 339-207-4XXX 4000–4999Assigned ONVOY, LLC - MA 892D LYNN MA
2023-01-24 339-228-5XXX 5000–5999Assigned ONVOY, LLC - MA 892D LYNN MA
2023-01-12 339-273-1XXX 1000–1999Assigned ONVOY, LLC - MA 892D MARSHFIELD MA
2023-01-11 339-240-5XXX 5000–5999Assigned ONVOY, LLC - MA 892D BURLINGTON MA
2023-01-05 339-466-9XXX 9000–9999Assigned ONVOY, LLC - MA 892D NORWELL MA
2022-12-14 339-345-8XXX 8000–8999Assigned TELNYX LLC 073H MARBLEHEAD MA
2022-12-09 339-300-7XXX 7000–7999Assigned ONVOY, LLC - MA 892D COHASSET MA
2022-11-23 339-331-9XXX 9000–9999Assigned ONVOY, LLC - MA 892D DUXBURY MA
2022-11-21 339-226-8XXX 8000–8999Assigned ONVOY, LLC - MA 892D REVERE MA
2022-11-17 339-746-1XXX 1000–1999Assigned ONVOY, LLC - MA 892D WEYMOUTH MA
2022-11-17 339-746-2XXX 2000–2999Assigned ONVOY, LLC - MA 892D WEYMOUTH MA
2022-11-17 339-746-8XXX 8000–8999Assigned ONVOY, LLC - MA 892D WEYMOUTH MA
2022-11-02 339-240-3XXX 3000–3999Assigned ONVOY, LLC - MA 892D BURLINGTON MA
2022-10-24 339-233-5XXX 5000–5999Assigned ONVOY, LLC - MA 892D BRYANTVL MA
2022-10-24 339-233-6XXX 6000–6999Assigned ONVOY, LLC - MA 892D BRYANTVL MA
2022-10-14 339-338-0XXX 0000–0999Assigned NEW CINGULAR WIRELESS PCS, LLC - DC 4036 LYNN MA
2022-09-16 339-675-4XXX 4000–4999Assigned COMCAST IP PHONE, LLC 318J WHITMAN MA
2022-08-30 339-273-2XXX 2000–2999Assigned ONVOY, LLC - MA 892D MARSHFIELD MA
2022-08-30 339-273-3XXX 3000–3999Assigned ONVOY, LLC - MA 892D MARSHFIELD MA
2022-08-30 339-675-5XXX 5000–5999Assigned ONVOY, LLC - MA 892D WHITMAN MA
2022-08-30 339-737-3XXX 3000–3999Assigned ONVOY, LLC - MA 892D HANOVER MA
2022-08-30 339-837-7XXX 7000–7999Assigned ONVOY, LLC - MA 892D RANDOLPH MA
2022-08-30 339-837-8XXX 8000–8999Assigned ONVOY, LLC - MA 892D RANDOLPH 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.