NumberResearchThousands-blocks in 708-628
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 708-628 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 708 blocks
Most active assignees, all time — NPA 708
New assignments by month
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| Assigned | Thousands-block | Last 4 digits | Status | Assignee | OCN | Rate center | State |
|---|---|---|---|---|---|---|---|
| 2022-08-05 | 708-628-0XXX | 0000–0999 | Assigned | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IL | 6333 | OAK PARK | IL |
| 2013-07-29 | 708-628-1XXX | 1000–1999 | Assigned | IP HORIZON LLC | 515J | OAK PARK | IL |
| 2023-02-09 | 708-628-2XXX | 2000–2999 | Assigned | ONVOY, LLC | 224C | OAK PARK | IL |
| 2013-04-04 | 708-628-3XXX | 3000–3999 | Assigned | COMCAST IP PHONE, LLC | 318J | OAK PARK | IL |
| 2002-12-19 | 708-628-4XXX | 4000–4999 | Assigned | LEVEL 3 COMMUNICATIONS, LLC - IL | 6115 | OAK PARK | IL |
| 2005-01-26 | 708-628-5XXX | 5000–5999 | Assigned | LEVEL 3 COMMUNICATIONS, LLC - IL | 6115 | OAK PARK | IL |
| 2015-12-23 | 708-628-6XXX | 6000–6999 | Assigned | ONVOY, LLC | 224C | OAK PARK | IL |
| 2014-04-23 | 708-628-7XXX | 7000–7999 | Assigned | BANDWIDTH.COM CLEC, LLC - IL | 984E | OAK PARK | IL |
| 2014-04-23 | 708-628-8XXX | 8000–8999 | Assigned | BANDWIDTH.COM CLEC, LLC - IL | 984E | OAK PARK | IL |
| 2016-07-11 | 708-628-9XXX | 9000–9999 | Assigned | IP HORIZON LLC | 515J | OAK PARK | IL |
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.