NumberResearchThousands-blocks in 812-554
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 812-554 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
New assignments by month
Sep 2026
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Oct 2025
| Assigned | Thousands-block | Last 4 digits | Status | Assignee | OCN | Rate center | State |
|---|---|---|---|---|---|---|---|
| — | 812-554-0XXX | 0000–0999 | Reserved | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IN | 6725 | MEROM | IN |
| — | 812-554-1XXX | 1000–1999 | Assigned (pending) | MEROM | IN | ||
| — | 812-554-2XXX | 2000–2999 | Reserved | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IN | 6725 | MEROM | IN |
| — | 812-554-3XXX | 3000–3999 | Available | MEROM | IN | ||
| 2021-06-30 | 812-554-4XXX | 4000–4999 | Assigned | ONVOY, LLC - IN | 097D | MEROM | IN |
| 2020-02-17 | 812-554-5XXX | 5000–5999 | Assigned | ONVOY, LLC - IN | 097D | MEROM | IN |
| — | 812-554-6XXX | 6000–6999 | Available | MEROM | IN | ||
| — | 812-554-7XXX | 7000–7999 | Available | MEROM | IN | ||
| 2023-07-25 | 812-554-8XXX | 8000–8999 | Assigned | ONVOY, LLC - IN | 097D | MEROM | IN |
| — | 812-554-9XXX | 9000–9999 | Available | MEROM | 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.