NumberResearchThousands-blocks in 586-298
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 586-298 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 586 blocks
Most active assignees, all time — NPA 586
New assignments by month
Sep 2026
Aug 2026
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Oct 2025
| Assigned | Thousands-block | Last 4 digits | Status | Assignee | OCN | Rate center | State |
|---|---|---|---|---|---|---|---|
| 2009-08-17 | 586-298-0XXX | 0000–0999 | Assigned | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MI | 6003 | ROSEVILLE | MI |
| 2009-02-05 | 586-298-1XXX | 1000–1999 | Assigned | BANDWIDTH.COM CLEC, LLC - MI | 991E | ROSEVILLE | MI |
| 2009-02-05 | 586-298-2XXX | 2000–2999 | Assigned | BANDWIDTH.COM CLEC, LLC - MI | 991E | ROSEVILLE | MI |
| 2009-01-19 | 586-298-3XXX | 3000–3999 | Assigned | MCIMETRO ACCESS TRANSMISSION SERVICES LLC - MI | 7279 | ROSEVILLE | MI |
| 2009-02-12 | 586-298-4XXX | 4000–4999 | Assigned | METROPCS, INC. | 5562 | ROSEVILLE | MI |
| 2020-12-02 | 586-298-5XXX | 5000–5999 | Assigned | NEW CINGULAR WIRELESS PCS, LLC - IL | 6534 | ROSEVILLE | MI |
| 2009-02-20 | 586-298-6XXX | 6000–6999 | Assigned | COMCAST IP PHONE, LLC | 318J | ROSEVILLE | MI |
| 2009-08-17 | 586-298-7XXX | 7000–7999 | Assigned | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MI | 6003 | ROSEVILLE | MI |
| 2009-08-17 | 586-298-8XXX | 8000–8999 | Assigned | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MI | 6003 | ROSEVILLE | MI |
| 2008-09-18 | 586-298-9XXX | 9000–9999 | Assigned | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MI | 6003 | ROSEVILLE | MI |
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.