NumberResearchThousands-blocks in 816-357
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 816-357 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 816 blocks
Most active assignees, all time — NPA 816
New assignments by month
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Oct 2025
| Assigned | Thousands-block | Last 4 digits | Status | Assignee | OCN | Rate center | State |
|---|---|---|---|---|---|---|---|
| 2023-08-14 | 816-357-0XXX | 0000–0999 | Assigned | ONVOY, LLC - MO | 093F | TRIMBLE | MO |
| 2020-07-15 | 816-357-1XXX | 1000–1999 | Assigned | TELNYX LLC | 073H | TRIMBLE | MO |
| — | 816-357-2XXX | 2000–2999 | Reserved | BRIGHTSPEED OF EAST MISSOURI, LLC | 1151 | TRIMBLE | MO |
| 2022-05-03 | 816-357-3XXX | 3000–3999 | Assigned | TWC IP ENABLED SERVICES, LLC | 793K | TRIMBLE | MO |
| 2020-01-31 | 816-357-4XXX | 4000–4999 | Assigned | LEVEL 3 COMMUNICATIONS, LLC - MO | 4932 | TRIMBLE | MO |
| 2021-02-08 | 816-357-5XXX | 5000–5999 | Assigned | ONVOY, LLC - MO | 093F | TRIMBLE | MO |
| 2014-04-10 | 816-357-6XXX | 6000–6999 | Assigned | PEERLESS NETWORK OF MISSOURI, LLC - MO | 225F | TRIMBLE | MO |
| 2013-09-27 | 816-357-7XXX | 7000–7999 | Assigned | CENTURYLINK COMMUNICATIONS, LLC | 508J | TRIMBLE | MO |
| 2020-06-09 | 816-357-8XXX | 8000–8999 | Assigned | ONVOY, LLC - MO | 093F | TRIMBLE | MO |
| 2020-06-09 | 816-357-9XXX | 9000–9999 | Assigned | ONVOY, LLC - MO | 093F | TRIMBLE | MO |
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.