NumberResearchThousands-blocks in 252-336
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 252-336 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 |
|---|---|---|---|---|---|---|---|
| — | 252-336-0XXX | 0000–0999 | Reserved | BRIGHTSPEED OF EASTERN NORTH CAROLINA, LLC | 0470 | SHILOH | NC |
| 2010-12-10 | 252-336-1XXX | 1000–1999 | Assigned | MCC TELEPHONY LLC | 593K | SHILOH | NC |
| — | 252-336-2XXX | 2000–2999 | Reserved | BRIGHTSPEED OF EASTERN NORTH CAROLINA, LLC | 0470 | SHILOH | NC |
| 2018-05-09 | 252-336-3XXX | 3000–3999 | Assigned | BANDWIDTH.COM CLEC, LLC - NC | 998E | SHILOH | NC |
| — | 252-336-4XXX | 4000–4999 | Reserved | BRIGHTSPEED OF EASTERN NORTH CAROLINA, LLC | 0470 | SHILOH | NC |
| — | 252-336-5XXX | 5000–5999 | Reserved | BRIGHTSPEED OF EASTERN NORTH CAROLINA, LLC | 0470 | SHILOH | NC |
| 2018-08-21 | 252-336-6XXX | 6000–6999 | Assigned | BANDWIDTH.COM CLEC, LLC - NC | 998E | SHILOH | NC |
| 2013-10-08 | 252-336-7XXX | 7000–7999 | Assigned | LEVEL 3 COMMUNICATIONS, LLC - NC | 3235 | SHILOH | NC |
| 2013-02-28 | 252-336-8XXX | 8000–8999 | Assigned | BANDWIDTH.COM CLEC, LLC - NC | 998E | SHILOH | NC |
| 2020-03-05 | 252-336-9XXX | 9000–9999 | Assigned | ONVOY, LLC - NC | 638E | SHILOH | NC |
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.