NumberResearchThousands-blocks in 484-665
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 484-665 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 484 blocks
Most active assignees, all time — NPA 484
New assignments by month
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| Assigned | Thousands-block | Last 4 digits | Status | Assignee | OCN | Rate center | State |
|---|---|---|---|---|---|---|---|
| — | 484-665-0XXX | 0000–0999 | Reserved | VERIZON PENNSYLVANIA, INC. | 9208 | HAMBURG | PA |
| 2019-04-10 | 484-665-1XXX | 1000–1999 | Assigned | COMCAST IP PHONE, LLC | 318J | HAMBURG | PA |
| 2009-09-15 | 484-665-2XXX | 2000–2999 | Assigned | D&E/OMNIPOINT WIREL JOINT VENT LP DBA PCS ONE | 6846 | HAMBURG | PA |
| 2012-04-24 | 484-665-3XXX | 3000–3999 | Assigned | COMCAST IP PHONE, LLC | 318J | HAMBURG | PA |
| 2010-02-10 | 484-665-4XXX | 4000–4999 | Assigned | BLOCK LINE SYSTEMS, LLC - PA | 784E | HAMBURG | PA |
| 2005-03-11 | 484-665-5XXX | 5000–5999 | Assigned | WINDSTREAM D & E SYSTEMS, INC. - PA | 4114 | HAMBURG | PA |
| 2013-12-11 | 484-665-6XXX | 6000–6999 | Assigned | PAETEC ITEL, LLC | 829J | HAMBURG | PA |
| 2016-03-01 | 484-665-7XXX | 7000–7999 | Assigned | ONVOY, LLC - PA | 547E | HAMBURG | PA |
| 2016-03-01 | 484-665-8XXX | 8000–8999 | Assigned | ONVOY, LLC - PA | 547E | HAMBURG | PA |
| 2015-05-26 | 484-665-9XXX | 9000–9999 | Assigned | D&E/OMNIPOINT WIREL JOINT VENT LP DBA PCS ONE | 6846 | HAMBURG | PA |
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.