NumberResearchThousands-blocks in 856-363
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 856-363 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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| Assigned | Thousands-block | Last 4 digits | Status | Assignee | OCN | Rate center | State |
|---|---|---|---|---|---|---|---|
| 2016-03-30 | 856-363-0XXX | 0000–0999 | Assigned | ONVOY, LLC - NJ | 637C | ELMER | NJ |
| — | 856-363-1XXX | 1000–1999 | Reserved | TELEPORT COMMUNICATIONS AMERICA, LLC - NJ | 7310 | ELMER | NJ |
| 2004-02-25 | 856-363-2XXX | 2000–2999 | Assigned | MONMOUTH TELEPHONE AND TELEGRAPH, INC. - NJ | 3639 | ELMER | NJ |
| 2016-03-30 | 856-363-3XXX | 3000–3999 | Assigned | ONVOY, LLC - NJ | 637C | ELMER | NJ |
| 2017-04-14 | 856-363-4XXX | 4000–4999 | Assigned | TELNYX LLC | 073H | ELMER | NJ |
| 2019-04-01 | 856-363-5XXX | 5000–5999 | Assigned | CORETEL NEW JERSEY, INC. - NJ | 482F | ELMER | NJ |
| 2003-12-09 | 856-363-6XXX | 6000–6999 | Assigned | PAETEC ITEL, LLC | 829J | ELMER | NJ |
| 2022-04-07 | 856-363-7XXX | 7000–7999 | Assigned | TERRA NOVA TELECOM INC. | 145J | ELMER | NJ |
| 2013-03-21 | 856-363-8XXX | 8000–8999 | Assigned | PEERLESS NETWORK OF NEW JERSEY, LLC - NJ | 264F | ELMER | NJ |
| — | 856-363-9XXX | 9000–9999 | Reserved | TELEPORT COMMUNICATIONS AMERICA, LLC - NJ | 7310 | ELMER | 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.