NumberResearchThousands-blocks in 678-880
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 678-880 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 678 blocks
Most active assignees, all time — NPA 678
New assignments by month
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| Assigned | Thousands-block | Last 4 digits | Status | Assignee | OCN | Rate center | State |
|---|---|---|---|---|---|---|---|
| 2002-06-03 | 678-880-0XXX | 0000–0999 | Assigned | WINDSTREAM GEORGIA COMMUNICATIONS CORP. | 4332 | CANTON | GA |
| 2002-06-03 | 678-880-1XXX | 1000–1999 | Assigned | WINDSTREAM GEORGIA COMMUNICATIONS CORP. | 4332 | CANTON | GA |
| 2004-08-02 | 678-880-2XXX | 2000–2999 | Assigned | WINDSTREAM GEORGIA COMMUNICATIONS CORP. | 4332 | CANTON | GA |
| 2005-01-25 | 678-880-3XXX | 3000–3999 | Assigned | WINDSTREAM GEORGIA COMMUNICATIONS CORP. | 4332 | CANTON | GA |
| 2006-12-18 | 678-880-4XXX | 4000–4999 | Assigned | MCIMETRO ACCESS TRANSMISSION SERVICES LLC | 7229 | CANTON | GA |
| 2008-02-07 | 678-880-5XXX | 5000–5999 | Assigned | SOUTHERN COMMUNICATIONS SERVICES, INC. | 6744 | CANTON | GA |
| 2008-02-20 | 678-880-6XXX | 6000–6999 | Assigned | COMCAST IP PHONE, LLC | 318J | CANTON | GA |
| 2007-11-14 | 678-880-7XXX | 7000–7999 | Assigned | COMCAST IP PHONE, LLC | 318J | CANTON | GA |
| 2006-10-16 | 678-880-8XXX | 8000–8999 | Assigned | COMCAST IP PHONE, LLC | 318J | CANTON | GA |
| 2010-06-08 | 678-880-9XXX | 9000–9999 | Assigned | COMCAST IP PHONE, LLC | 318J | CANTON | GA |
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.