NumberResearchThousands-blocks in 252-385
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 252-385 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 252 blocks
Most active assignees, all time — NPA 252
New assignments by month
Sep 2026
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Oct 2025
| Assigned | Thousands-block | Last 4 digits | Status | Assignee | OCN | Rate center | State |
|---|---|---|---|---|---|---|---|
| — | 252-385-0XXX | 0000–0999 | Reserved | LEVEL 3 COMMUNICATIONS, LLC - NC | 3235 | ENGELHARD | NC |
| 2009-04-10 | 252-385-1XXX | 1000–1999 | Assigned | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - NC | 6324 | ENGELHARD | NC |
| 2014-05-07 | 252-385-2XXX | 2000–2999 | Assigned | BANDWIDTH.COM CLEC, LLC - NC | 998E | ENGELHARD | NC |
| 2015-05-18 | 252-385-3XXX | 3000–3999 | Assigned | BANDWIDTH.COM CLEC, LLC - NC | 998E | ENGELHARD | NC |
| 2004-05-13 | 252-385-4XXX | 4000–4999 | Assigned | LEVEL 3 COMMUNICATIONS, LLC - NC | 3235 | ENGELHARD | NC |
| 2021-03-08 | 252-385-5XXX | 5000–5999 | Assigned | ONVOY, LLC - NC | 638E | ENGELHARD | NC |
| 2020-09-23 | 252-385-6XXX | 6000–6999 | Assigned | TELNYX LLC | 073H | ENGELHARD | NC |
| 2013-10-08 | 252-385-7XXX | 7000–7999 | Assigned | CENTURYLINK COMMUNICATIONS, LLC | 508J | ENGELHARD | NC |
| 2022-01-04 | 252-385-8XXX | 8000–8999 | Assigned | BANDWIDTH.COM CLEC, LLC - NC | 998E | ENGELHARD | NC |
| — | 252-385-9XXX | 9000–9999 | Reserved | LEVEL 3 COMMUNICATIONS, LLC - NC | 3235 | ENGELHARD | NC |
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.