NumberResearchThousands-blocks in 870-916
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 870-916 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 870 blocks
Most active assignees, all time — NPA 870
New assignments by month
Sep 2026
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Oct 2025
| Assigned | Thousands-block | Last 4 digits | Status | Assignee | OCN | Rate center | State |
|---|---|---|---|---|---|---|---|
| 2023-04-04 | 870-916-0XXX | 0000–0999 | Assigned | BANDWIDTH.COM CLEC, LLC - AR | 196F | CALICOROCK | AR |
| 2017-10-24 | 870-916-1XXX | 1000–1999 | Assigned | LEVEL 3 COMMUNICATIONS, LLC - AR | 5179 | CALICOROCK | AR |
| 2015-09-01 | 870-916-2XXX | 2000–2999 | Assigned | YELCOT VIDEO GROUP, INC. - AR | 398H | CALICOROCK | AR |
| 2021-09-07 | 870-916-3XXX | 3000–3999 | Assigned | ONVOY, LLC - AR | 348F | CALICOROCK | AR |
| — | 870-916-4XXX | 4000–4999 | Available | CALICOROCK | AR | ||
| 2022-03-24 | 870-916-5XXX | 5000–5999 | Assigned | YELCOT VIDEO GROUP, INC. - AR | 398H | CALICOROCK | AR |
| 2018-11-15 | 870-916-6XXX | 6000–6999 | Assigned | TELEPORT COMMUNICATIONS AMERICA, LLC - AR | 802C | CALICOROCK | AR |
| 2021-06-08 | 870-916-7XXX | 7000–7999 | Assigned | ONVOY, LLC - AR | 348F | CALICOROCK | AR |
| 2020-04-30 | 870-916-8XXX | 8000–8999 | Assigned | NEW CINGULAR WIRELESS PCS, LLC - IL | 6534 | CALICOROCK | AR |
| 2020-04-30 | 870-916-9XXX | 9000–9999 | Assigned | NEW CINGULAR WIRELESS PCS, LLC - IL | 6534 | CALICOROCK | AR |
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.