NumberResearchThousands-blocks in 336-309
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 336-309 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 336 blocks
Most active assignees, all time — NPA 336
New assignments by month
Sep 2026
Aug 2026
Jul 2026
Jun 2026
May 2026
Apr 2026
Mar 2026
Feb 2026
Jan 2026
Dec 2025
Nov 2025
Oct 2025
| Assigned | Thousands-block | Last 4 digits | Status | Assignee | OCN | Rate center | State |
|---|---|---|---|---|---|---|---|
| 2005-12-12 | 336-309-0XXX | 0000–0999 | Assigned | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - NC | 6324 | LEXINGTON | NC |
| 2005-12-12 | 336-309-1XXX | 1000–1999 | Assigned | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - NC | 6324 | LEXINGTON | NC |
| 2008-08-15 | 336-309-2XXX | 2000–2999 | Assigned | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - NC | 6324 | LEXINGTON | NC |
| 2006-10-20 | 336-309-3XXX | 3000–3999 | Assigned | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - NC | 6324 | LEXINGTON | NC |
| 2009-02-09 | 336-309-4XXX | 4000–4999 | Assigned | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - NC | 6324 | LEXINGTON | NC |
| 2009-06-01 | 336-309-5XXX | 5000–5999 | Assigned | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - NC | 6324 | LEXINGTON | NC |
| 2009-08-06 | 336-309-6XXX | 6000–6999 | Assigned | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - NC | 6324 | LEXINGTON | NC |
| — | 336-309-7XXX | 7000–7999 | Reserved | CENTURYLINK COMMUNICATIONS LLC - NC | 4809 | LEXINGTON | NC |
| 2010-08-10 | 336-309-8XXX | 8000–8999 | Assigned | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - NC | 6324 | LEXINGTON | NC |
| 2009-11-06 | 336-309-9XXX | 9000–9999 | Assigned | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - NC | 6324 | LEXINGTON | 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.