NumberResearchThousands-blocks in 352-437
This prefix’s ten 1,000-number blocks and who holds each — 10 on record · from the daily NANPA thousands-block report, 09/19/2026
The ten 1,000-number thousand-blocks inside prefix 352-437 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 |
|---|---|---|---|---|---|---|---|
| 2022-01-10 | 352-437-0XXX | 0000–0999 | Assigned | TERRA NOVA TELECOM, INC. - FL | 382G | DADE CITY | FL |
| — | 352-437-1XXX | 1000–1999 | Reserved | LEVEL 3 COMMUNICATIONS, LLC - FL | 4802 | DADE CITY | FL |
| 2012-08-21 | 352-437-2XXX | 2000–2999 | Assigned | LEVEL 3 COMMUNICATIONS, LLC - FL | 4802 | DADE CITY | FL |
| 2013-04-30 | 352-437-3XXX | 3000–3999 | Assigned | BHN IP ENABLED SERVICES, LLC | 045L | DADE CITY | FL |
| 2007-03-16 | 352-437-4XXX | 4000–4999 | Assigned | BHN IP ENABLED SERVICES, LLC | 045L | DADE CITY | FL |
| 2008-12-03 | 352-437-5XXX | 5000–5999 | Assigned | BHN IP ENABLED SERVICES, LLC | 045L | DADE CITY | FL |
| 2015-01-26 | 352-437-6XXX | 6000–6999 | Assigned | BANDWIDTH.COM CLEC, LLC - FL | 982E | DADE CITY | FL |
| 2026-06-03 | 352-437-7XXX | 7000–7999 | Assigned | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - FL | 6502 | DADE CITY | FL |
| 2015-09-29 | 352-437-8XXX | 8000–8999 | Assigned | BANDWIDTH.COM CLEC, LLC - FL | 982E | DADE CITY | FL |
| 2018-10-29 | 352-437-9XXX | 9000–9999 | Assigned | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - FL | 6502 | DADE CITY | FL |
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.