NumberResearchThousands-blocks in 352-261
This prefix’s ten 1,000-number blocks and who holds each — 10 on record · from the daily NANPA thousands-block report, 09/20/2026
The ten 1,000-number thousand-blocks inside prefix 352-261 and who was initially assigned each. Under pooling these blocks often belong to different carriers — the single prefix-level “assignee” is usually just the pool / code holder, not who holds the numbers. ← all 352 blocks
Most active assignees, all time — NPA 352
New assignments by month
Sep 2026
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Oct 2025
| Assigned | Thousands-block | Last 4 digits | Status | Assignee | OCN | Rate center | State |
|---|---|---|---|---|---|---|---|
| 2006-01-27 | 352-261-0XXX | 0000–0999 | Assigned | LEVEL 3 COMMUNICATIONS, LLC - FL | 4802 | SLRSPGSHRS | FL |
| — | 352-261-1XXX | 1000–1999 | Reserved | CENTURYLINK OF FLORIDA, INC. (UNITED) | 0341 | SLRSPGSHRS | FL |
| 2005-12-21 | 352-261-2XXX | 2000–2999 | Assigned | COMCAST IP PHONE, LLC | 318J | SLRSPGSHRS | FL |
| 2009-07-24 | 352-261-3XXX | 3000–3999 | Assigned | COMCAST IP PHONE, LLC | 318J | SLRSPGSHRS | FL |
| 2007-05-24 | 352-261-4XXX | 4000–4999 | Assigned | BHN IP ENABLED SERVICES, LLC | 045L | SLRSPGSHRS | FL |
| 2011-10-26 | 352-261-5XXX | 5000–5999 | Assigned | LEVEL 3 COMMUNICATIONS, LLC - FL | 4802 | SLRSPGSHRS | FL |
| 2015-10-06 | 352-261-6XXX | 6000–6999 | Assigned | BANDWIDTH.COM CLEC, LLC - FL | 982E | SLRSPGSHRS | FL |
| 2015-12-02 | 352-261-7XXX | 7000–7999 | Assigned | TELEPORT COMMUNICATIONS AMERICA, LLC - FL | 8300 | SLRSPGSHRS | FL |
| 2024-02-09 | 352-261-8XXX | 8000–8999 | Assigned | ONVOY, LLC - FL | 937C | SLRSPGSHRS | FL |
| 2024-12-12 | 352-261-9XXX | 9000–9999 | Assigned | NEW CINGULAR WIRELESS PCS, LLC - GA | 6214 | SLRSPGSHRS | FL |
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.