NumberResearchThousands-blocks in 916-891
This prefix’s ten 1,000-number blocks and who holds each — 10 on record · from the daily NANPA thousands-block report, 09/19/2026
The ten 1,000-number thousand-blocks inside prefix 916-891 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 916 blocks
Most active assignees, all time — NPA 916
New assignments by month
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| Assigned | Thousands-block | Last 4 digits | Status | Assignee | OCN | Rate center | State |
|---|---|---|---|---|---|---|---|
| 2015-09-03 | 916-891-0XXX | 0000–0999 | Assigned | AT&T ENTERPRISES, LLC | 516C | SCRM NORTH | CA |
| 2015-11-18 | 916-891-1XXX | 1000–1999 | Assigned | ONVOY, LLC - CA | 649C | SCRM NORTH | CA |
| 2015-07-31 | 916-891-2XXX | 2000–2999 | Assigned | COMCAST PHONE OF CALIFORNIA, LLC | 394L | SCRM NORTH | CA |
| 2015-10-27 | 916-891-3XXX | 3000–3999 | Assigned | MCIMETRO ACCESS TRANSMISSION SERVICES LLC - CA | 7128 | SCRM NORTH | CA |
| 2015-11-18 | 916-891-4XXX | 4000–4999 | Assigned | ONVOY, LLC - CA | 649C | SCRM NORTH | CA |
| 2015-11-09 | 916-891-5XXX | 5000–5999 | Assigned | COMCAST PHONE OF CALIFORNIA, LLC | 394L | SCRM NORTH | CA |
| 2015-11-18 | 916-891-6XXX | 6000–6999 | Assigned | ONVOY, LLC - CA | 649C | SCRM NORTH | CA |
| 2015-09-22 | 916-891-7XXX | 7000–7999 | Assigned | T-MOBILE USA, INC. | 6529 | SCRM NORTH | CA |
| 2015-09-22 | 916-891-8XXX | 8000–8999 | Assigned | T-MOBILE USA, INC. | 6529 | SCRM NORTH | CA |
| 2015-09-22 | 916-891-9XXX | 9000–9999 | Assigned | T-MOBILE USA, INC. | 6529 | SCRM NORTH | CA |
Source: NANPA Thousands Block Assignment Report (All Regions, Public), file date 09/19/2026 — Tier A primary source, refreshed on every import. Viewing is free; bulk downloads require a membership.