NumberResearchThousands-blocks in 812-390
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 812-390 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 812 blocks
Most active assignees, all time — NPA 812
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| Assigned | Thousands-block | Last 4 digits | Status | Assignee | OCN | Rate center | State |
|---|---|---|---|---|---|---|---|
| — | 812-390-0XXX | 0000–0999 | Reserved | NEW CINGULAR WIRELESS PCS, LLC - IL | 6534 | COLUMBUS | IN |
| — | 812-390-1XXX | 1000–1999 | Reserved | NEW CINGULAR WIRELESS PCS, LLC - IL | 6534 | COLUMBUS | IN |
| — | 812-390-2XXX | 2000–2999 | Reserved | NEW CINGULAR WIRELESS PCS, LLC - IL | 6534 | COLUMBUS | IN |
| 2006-03-21 | 812-390-3XXX | 3000–3999 | Assigned | OMNIPOINT COMMUNICATIONS MIDWEST OPERATIONS, LLC | 2964 | COLUMBUS | IN |
| 2010-07-15 | 812-390-4XXX | 4000–4999 | Assigned | BANDWIDTH.COM CLEC, LLC - IN | 105F | COLUMBUS | IN |
| — | 812-390-5XXX | 5000–5999 | Reserved | NEW CINGULAR WIRELESS PCS, LLC - IL | 6534 | COLUMBUS | IN |
| — | 812-390-6XXX | 6000–6999 | Reserved | NEW CINGULAR WIRELESS PCS, LLC - IL | 6534 | COLUMBUS | IN |
| — | 812-390-7XXX | 7000–7999 | Reserved | NEW CINGULAR WIRELESS PCS, LLC - IL | 6534 | COLUMBUS | IN |
| — | 812-390-8XXX | 8000–8999 | Reserved | NEW CINGULAR WIRELESS PCS, LLC - IL | 6534 | COLUMBUS | IN |
| — | 812-390-9XXX | 9000–9999 | Reserved | NEW CINGULAR WIRELESS PCS, LLC - IL | 6534 | COLUMBUS | IN |
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.