NumberResearchThousands-blocks in 856-301
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 856-301 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 856 blocks
Most active assignees, all time — NPA 856
New assignments by month
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Oct 2025
| Assigned | Thousands-block | Last 4 digits | Status | Assignee | OCN | Rate center | State |
|---|---|---|---|---|---|---|---|
| 2017-12-29 | 856-301-0XXX | 0000–0999 | Assigned | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - NJ | 6391 | VINELAND | NJ |
| 2019-08-28 | 856-301-1XXX | 1000–1999 | Assigned | METROPCS, INC. | 5562 | VINELAND | NJ |
| 2018-05-10 | 856-301-2XXX | 2000–2999 | Assigned | BANDWIDTH.COM CLEC, LLC - NJ | 118F | VINELAND | NJ |
| 2020-08-06 | 856-301-3XXX | 3000–3999 | Assigned | METROPCS, INC. | 5562 | VINELAND | NJ |
| 2018-05-18 | 856-301-4XXX | 4000–4999 | Assigned | COMCAST IP PHONE, LLC | 318J | VINELAND | NJ |
| 2018-10-03 | 856-301-5XXX | 5000–5999 | Assigned | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - NJ | 6391 | VINELAND | NJ |
| 2019-01-15 | 856-301-6XXX | 6000–6999 | Assigned | TELEPORT COMMUNICATIONS AMERICA, LLC - NJ | 7142 | VINELAND | NJ |
| 2019-01-28 | 856-301-7XXX | 7000–7999 | Assigned | METROPCS, INC. | 5562 | VINELAND | NJ |
| 2018-08-20 | 856-301-8XXX | 8000–8999 | Assigned | TELNYX LLC | 073H | VINELAND | NJ |
| 2021-04-06 | 856-301-9XXX | 9000–9999 | Assigned | ONVOY SPECTRUM, LLC | 624H | VINELAND | NJ |
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.