NumberResearchRecent thousands-block assignments
2 blocks assigned in the last 30 days · from the daily NANPA thousands-block report, 09/19/2026
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 assignments by month
Sep 2026
Aug 2026
Jul 2026
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Oct 2025
| Assigned | Thousands-block | Last 4 digits | Status | Assignee | OCN | Rate center | State |
|---|---|---|---|---|---|---|---|
| 2024-01-11 | 339-242-4XXX | 4000–4999 | Assigned | OMNIPOINT MIAMI E LICENSE, LLC | 6889 | MEDFORD | MA |
| 2024-01-11 | 339-466-8XXX | 8000–8999 | Assigned | OMNIPOINT MIAMI E LICENSE, LLC | 6889 | NORWELL | MA |
| 2023-11-20 | 339-241-7XXX | 7000–7999 | Assigned | NEW CINGULAR WIRELESS PCS, LLC - DC | 4036 | MEDFORD | MA |
| 2023-11-09 | 339-245-1XXX | 1000–1999 | Assigned | OMNIPOINT MIAMI E LICENSE, LLC | 6889 | LYNN | MA |
| 2023-11-09 | 339-245-2XXX | 2000–2999 | Assigned | OMNIPOINT MIAMI E LICENSE, LLC | 6889 | LYNN | MA |
| 2023-11-09 | 339-245-3XXX | 3000–3999 | Assigned | OMNIPOINT MIAMI E LICENSE, LLC | 6889 | LYNN | MA |
| 2023-11-09 | 339-245-4XXX | 4000–4999 | Assigned | OMNIPOINT MIAMI E LICENSE, LLC | 6889 | LYNN | MA |
| 2023-09-29 | 339-245-0XXX | 0000–0999 | Assigned | ONVOY, LLC - MA | 892D | LYNN | MA |
| 2023-09-29 | 339-463-8XXX | 8000–8999 | Assigned | ONVOY, LLC - MA | 892D | BRAINTREE | MA |
| 2023-09-25 | 339-238-1XXX | 1000–1999 | Assigned | ONVOY, LLC - MA | 892D | NEEDHAM | MA |
| 2023-09-25 | 339-238-2XXX | 2000–2999 | Assigned | ONVOY, LLC - MA | 892D | NEEDHAM | MA |
| 2023-09-25 | 339-238-3XXX | 3000–3999 | Assigned | ONVOY, LLC - MA | 892D | NEEDHAM | MA |
| 2023-09-25 | 339-238-4XXX | 4000–4999 | Assigned | ONVOY, LLC - MA | 892D | NEEDHAM | MA |
| 2023-09-25 | 339-238-5XXX | 5000–5999 | Assigned | ONVOY, LLC - MA | 892D | NEEDHAM | MA |
| 2023-09-25 | 339-238-6XXX | 6000–6999 | Assigned | ONVOY, LLC - MA | 892D | NEEDHAM | MA |
| 2023-09-25 | 339-238-7XXX | 7000–7999 | Assigned | ONVOY, LLC - MA | 892D | NEEDHAM | MA |
| 2023-09-25 | 339-737-0XXX | 0000–0999 | Assigned | ONVOY, LLC - MA | 892D | HANOVER | MA |
| 2023-09-25 | 339-737-4XXX | 4000–4999 | Assigned | ONVOY, LLC - MA | 892D | HANOVER | MA |
| 2023-09-25 | 339-737-5XXX | 5000–5999 | Assigned | ONVOY, LLC - MA | 892D | HANOVER | MA |
| 2023-09-25 | 339-737-6XXX | 6000–6999 | Assigned | ONVOY, LLC - MA | 892D | HANOVER | MA |
| 2023-09-25 | 339-737-9XXX | 9000–9999 | Assigned | ONVOY, LLC - MA | 892D | HANOVER | MA |
| 2023-08-24 | 339-242-7XXX | 7000–7999 | Assigned | OMNIPOINT MIAMI E LICENSE, LLC | 6889 | MEDFORD | MA |
| 2023-08-24 | 339-242-8XXX | 8000–8999 | Assigned | OMNIPOINT MIAMI E LICENSE, LLC | 6889 | MEDFORD | MA |
| 2023-08-24 | 339-242-9XXX | 9000–9999 | Assigned | OMNIPOINT MIAMI E LICENSE, LLC | 6889 | MEDFORD | MA |
| 2023-08-24 | 339-243-7XXX | 7000–7999 | Assigned | OMNIPOINT MIAMI E LICENSE, LLC | 6889 | SAUGUS | MA |
| 2023-08-24 | 339-243-8XXX | 8000–8999 | Assigned | OMNIPOINT MIAMI E LICENSE, LLC | 6889 | SAUGUS | MA |
| 2023-08-24 | 339-243-9XXX | 9000–9999 | Assigned | OMNIPOINT MIAMI E LICENSE, LLC | 6889 | SAUGUS | MA |
| 2023-08-24 | 339-245-8XXX | 8000–8999 | Assigned | OMNIPOINT MIAMI E LICENSE, LLC | 6889 | LYNN | MA |
| 2023-08-24 | 339-245-9XXX | 9000–9999 | Assigned | OMNIPOINT MIAMI E LICENSE, LLC | 6889 | LYNN | MA |
| 2023-08-23 | 339-231-4XXX | 4000–4999 | Assigned | OMNIPOINT MIAMI E LICENSE, LLC | 6889 | SAUGUS | MA |
| 2023-08-23 | 339-231-5XXX | 5000–5999 | Assigned | OMNIPOINT MIAMI E LICENSE, LLC | 6889 | SAUGUS | MA |
| 2023-08-23 | 339-241-0XXX | 0000–0999 | Assigned | OMNIPOINT MIAMI E LICENSE, LLC | 6889 | MEDFORD | MA |
| 2023-08-23 | 339-241-1XXX | 1000–1999 | Assigned | OMNIPOINT MIAMI E LICENSE, LLC | 6889 | MEDFORD | MA |
| 2023-08-23 | 339-241-2XXX | 2000–2999 | Assigned | OMNIPOINT MIAMI E LICENSE, LLC | 6889 | MEDFORD | MA |
| 2023-08-22 | 339-331-3XXX | 3000–3999 | Assigned | ONVOY, LLC - MA | 892D | DUXBURY | MA |
| 2023-08-10 | 339-241-9XXX | 9000–9999 | Assigned | NEW CINGULAR WIRELESS PCS, LLC - DC | 4036 | MEDFORD | MA |
| 2023-07-18 | 339-239-2XXX | 2000–2999 | Assigned | ONVOY, LLC - MA | 892D | BRYANTVL | MA |
| 2023-07-18 | 339-239-3XXX | 3000–3999 | Assigned | ONVOY, LLC - MA | 892D | BRYANTVL | MA |
| 2023-07-18 | 339-240-6XXX | 6000–6999 | Assigned | ONVOY, LLC - MA | 892D | BURLINGTON | MA |
| 2023-07-18 | 339-345-9XXX | 9000–9999 | Assigned | ONVOY, LLC - MA | 892D | MARBLEHEAD | MA |
| 2023-07-18 | 339-565-1XXX | 1000–1999 | Assigned | ONVOY, LLC - MA | 892D | LINCOLN | MA |
| 2023-07-18 | 339-675-0XXX | 0000–0999 | Assigned | ONVOY, LLC - MA | 892D | WHITMAN | MA |
| 2023-07-18 | 339-746-6XXX | 6000–6999 | Assigned | ONVOY, LLC - MA | 892D | WEYMOUTH | MA |
| 2023-07-18 | 339-746-9XXX | 9000–9999 | Assigned | ONVOY, LLC - MA | 892D | WEYMOUTH | MA |
| 2023-07-18 | 339-800-3XXX | 3000–3999 | Assigned | ONVOY, LLC - MA | 892D | ARLINGTON | MA |
| 2023-07-18 | 339-837-2XXX | 2000–2999 | Assigned | ONVOY, LLC - MA | 892D | RANDOLPH | MA |
| 2023-07-12 | 339-273-4XXX | 4000–4999 | Assigned | ONVOY, LLC - MA | 892D | MARSHFIELD | MA |
| 2023-07-12 | 339-273-5XXX | 5000–5999 | Assigned | ONVOY, LLC - MA | 892D | MARSHFIELD | MA |
| 2023-07-12 | 339-273-6XXX | 6000–6999 | Assigned | ONVOY, LLC - MA | 892D | MARSHFIELD | MA |
| 2023-07-12 | 339-273-8XXX | 8000–8999 | Assigned | ONVOY, LLC - MA | 892D | MARSHFIELD | 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.