NumberResearchRecent thousands-block assignments
0 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, all time — NPA 347
New assignments by month
Sep 2026
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Oct 2025
| Assigned | Thousands-block | Last 4 digits | Status | Assignee | OCN | Rate center | State |
|---|---|---|---|---|---|---|---|
| 2013-08-29 | 347-934-2XXX | 2000–2999 | Assigned | LEVEL 3 COMMUNICATIONS, LLC - NY | 4006 | NWYRCYZN14 | NY |
| 2013-08-21 | 347-658-1XXX | 1000–1999 | Assigned | LEVEL 3 COMMUNICATIONS, LLC - NY | 4006 | NWYRCYZN04 | NY |
| 2013-06-14 | 347-434-8XXX | 8000–8999 | Assigned | LEVEL 3 COMMUNICATIONS, LLC - NY | 4006 | NWYRCYZN11 | NY |
| 2013-03-06 | 347-690-7XXX | 7000–7999 | Assigned | LEVEL 3 COMMUNICATIONS, LLC - NY | 4006 | NWYRCYZN09 | NY |
| 2012-03-15 | 347-897-5XXX | 5000–5999 | Assigned | LEVEL 3 COMMUNICATIONS, LLC - NY | 4006 | NWYRCYZN13 | NY |
| 2011-12-01 | 347-580-5XXX | 5000–5999 | Assigned | LEVEL 3 COMMUNICATIONS, LLC - NY | 4006 | NWYRCYZN11 | NY |
| 2011-11-10 | 347-797-5XXX | 5000–5999 | Assigned | LEVEL 3 COMMUNICATIONS, LLC - NY | 4006 | NWYRCYZN04 | NY |
| 2011-10-26 | 347-897-2XXX | 2000–2999 | Assigned | LEVEL 3 COMMUNICATIONS, LLC - NY | 4006 | NWYRCYZN13 | NY |
| 2011-06-15 | 347-946-6XXX | 6000–6999 | Assigned | LEVEL 3 COMMUNICATIONS, LLC - NY | 4006 | NWYRCYZN07 | NY |
| 2011-06-15 | 347-947-2XXX | 2000–2999 | Assigned | LEVEL 3 COMMUNICATIONS, LLC - NY | 4006 | NWYRCYZN05 | NY |
| 2011-05-10 | 347-986-1XXX | 1000–1999 | Assigned | LEVEL 3 COMMUNICATIONS, LLC - NY | 4006 | NWYRCYZN06 | NY |
| 2011-05-04 | 347-514-6XXX | 6000–6999 | Assigned | LEVEL 3 COMMUNICATIONS, LLC - NY | 4006 | NWYRCYZN03 | NY |
| 2011-05-04 | 347-514-8XXX | 8000–8999 | Assigned | LEVEL 3 COMMUNICATIONS, LLC - NY | 4006 | NWYRCYZN03 | NY |
| 2011-05-04 | 347-514-9XXX | 9000–9999 | Assigned | LEVEL 3 COMMUNICATIONS, LLC - NY | 4006 | NWYRCYZN03 | NY |
| 2011-04-14 | 347-868-6XXX | 6000–6999 | Assigned | LEVEL 3 COMMUNICATIONS, LLC - NY | 4006 | NWYRCYZN03 | NY |
| 2011-03-04 | 347-696-4XXX | 4000–4999 | Assigned | LEVEL 3 COMMUNICATIONS, LLC - NY | 4006 | NWYRCYZN11 | NY |
| 2011-03-04 | 347-897-0XXX | 0000–0999 | Assigned | LEVEL 3 COMMUNICATIONS, LLC - NY | 4006 | NWYRCYZN13 | NY |
| 2010-12-23 | 347-474-6XXX | 6000–6999 | Assigned | LEVEL 3 COMMUNICATIONS, LLC - NY | 4006 | NWYRCYZN10 | NY |
| 2010-12-23 | 347-474-7XXX | 7000–7999 | Assigned | LEVEL 3 COMMUNICATIONS, LLC - NY | 4006 | NWYRCYZN10 | NY |
| 2010-12-17 | 347-796-4XXX | 4000–4999 | Assigned | LEVEL 3 COMMUNICATIONS, LLC - NY | 4006 | NWYRCYZN10 | NY |
| 2010-11-30 | 347-765-1XXX | 1000–1999 | Assigned | LEVEL 3 COMMUNICATIONS, LLC - NY | 4006 | NWYRCYZN06 | NY |
| 2010-11-30 | 347-765-2XXX | 2000–2999 | Assigned | LEVEL 3 COMMUNICATIONS, LLC - NY | 4006 | NWYRCYZN06 | NY |
| 2010-11-19 | 347-507-4XXX | 4000–4999 | Assigned | LEVEL 3 COMMUNICATIONS, LLC - NY | 4006 | NWYRCYZN08 | NY |
| 2010-11-19 | 347-507-5XXX | 5000–5999 | Assigned | LEVEL 3 COMMUNICATIONS, LLC - NY | 4006 | NWYRCYZN08 | NY |
| 2010-11-19 | 347-650-2XXX | 2000–2999 | Assigned | LEVEL 3 COMMUNICATIONS, LLC - NY | 4006 | NWYRCYZN12 | NY |
| 2010-11-19 | 347-650-3XXX | 3000–3999 | Assigned | LEVEL 3 COMMUNICATIONS, LLC - NY | 4006 | NWYRCYZN12 | NY |
| 2010-11-19 | 347-662-2XXX | 2000–2999 | Assigned | LEVEL 3 COMMUNICATIONS, LLC - NY | 4006 | NWYRCYZN07 | NY |
| 2010-11-19 | 347-662-3XXX | 3000–3999 | Assigned | LEVEL 3 COMMUNICATIONS, LLC - NY | 4006 | NWYRCYZN07 | NY |
| 2010-11-19 | 347-763-6XXX | 6000–6999 | Assigned | LEVEL 3 COMMUNICATIONS, LLC - NY | 4006 | NWYRCYZN06 | NY |
| 2010-11-19 | 347-763-7XXX | 7000–7999 | Assigned | LEVEL 3 COMMUNICATIONS, LLC - NY | 4006 | NWYRCYZN06 | NY |
| 2010-11-19 | 347-763-8XXX | 8000–8999 | Assigned | LEVEL 3 COMMUNICATIONS, LLC - NY | 4006 | NWYRCYZN06 | NY |
| 2010-11-18 | 347-380-7XXX | 7000–7999 | Assigned | LEVEL 3 COMMUNICATIONS, LLC - NY | 4006 | NWYRCYZN05 | NY |
| 2010-11-18 | 347-380-8XXX | 8000–8999 | Assigned | LEVEL 3 COMMUNICATIONS, LLC - NY | 4006 | NWYRCYZN05 | NY |
| 2010-11-18 | 347-380-9XXX | 9000–9999 | Assigned | LEVEL 3 COMMUNICATIONS, LLC - NY | 4006 | NWYRCYZN05 | NY |
| 2010-11-18 | 347-491-4XXX | 4000–4999 | Assigned | LEVEL 3 COMMUNICATIONS, LLC - NY | 4006 | NWYRCYZN04 | NY |
| 2010-11-18 | 347-491-5XXX | 5000–5999 | Assigned | LEVEL 3 COMMUNICATIONS, LLC - NY | 4006 | NWYRCYZN04 | NY |
| 2010-11-18 | 347-708-8XXX | 8000–8999 | Assigned | LEVEL 3 COMMUNICATIONS, LLC - NY | 4006 | NWYRCYZN03 | NY |
| 2010-11-18 | 347-708-9XXX | 9000–9999 | Assigned | LEVEL 3 COMMUNICATIONS, LLC - NY | 4006 | NWYRCYZN03 | NY |
| 2010-11-18 | 347-736-9XXX | 9000–9999 | Assigned | LEVEL 3 COMMUNICATIONS, LLC - NY | 4006 | NWYRCYZN03 | NY |
| 2010-11-03 | 347-763-3XXX | 3000–3999 | Assigned | LEVEL 3 COMMUNICATIONS, LLC - NY | 4006 | NWYRCYZN06 | NY |
| 2010-11-03 | 347-763-4XXX | 4000–4999 | Assigned | LEVEL 3 COMMUNICATIONS, LLC - NY | 4006 | NWYRCYZN06 | NY |
| 2010-10-11 | 347-507-2XXX | 2000–2999 | Assigned | LEVEL 3 COMMUNICATIONS, LLC - NY | 4006 | NWYRCYZN08 | NY |
| 2010-10-11 | 347-507-3XXX | 3000–3999 | Assigned | LEVEL 3 COMMUNICATIONS, LLC - NY | 4006 | NWYRCYZN08 | NY |
| 2010-10-08 | 347-474-0XXX | 0000–0999 | Assigned | LEVEL 3 COMMUNICATIONS, LLC - NY | 4006 | NWYRCYZN10 | NY |
| 2010-10-08 | 347-474-4XXX | 4000–4999 | Assigned | LEVEL 3 COMMUNICATIONS, LLC - NY | 4006 | NWYRCYZN10 | NY |
| 2010-10-08 | 347-474-5XXX | 5000–5999 | Assigned | LEVEL 3 COMMUNICATIONS, LLC - NY | 4006 | NWYRCYZN10 | NY |
| 2010-10-08 | 347-501-8XXX | 8000–8999 | Assigned | LEVEL 3 COMMUNICATIONS, LLC - NY | 4006 | NWYRCYZN03 | NY |
| 2010-10-08 | 347-580-6XXX | 6000–6999 | Assigned | LEVEL 3 COMMUNICATIONS, LLC - NY | 4006 | NWYRCYZN11 | NY |
| 2010-10-08 | 347-704-0XXX | 0000–0999 | Assigned | LEVEL 3 COMMUNICATIONS, LLC - NY | 4006 | NWYRCYZN11 | NY |
| 2010-08-26 | 347-434-2XXX | 2000–2999 | Assigned | LEVEL 3 COMMUNICATIONS, LLC - NY | 4006 | NWYRCYZN11 | NY |
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.