NumberResearchThousands-blocks in 971-864
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 971-864 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 971 blocks
Most active assignees, all time — NPA 971
New assignments by month
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| Assigned | Thousands-block | Last 4 digits | Status | Assignee | OCN | Rate center | State |
|---|---|---|---|---|---|---|---|
| 2017-04-07 | 971-864-0XXX | 0000–0999 | Assigned | NEW CINGULAR WIRELESS PCS, LLC | 6010 | BEAVERTON | OR |
| 2017-04-07 | 971-864-1XXX | 1000–1999 | Assigned | NEW CINGULAR WIRELESS PCS, LLC | 6010 | BEAVERTON | OR |
| 2017-04-07 | 971-864-2XXX | 2000–2999 | Assigned | NEW CINGULAR WIRELESS PCS, LLC | 6010 | BEAVERTON | OR |
| 2017-08-15 | 971-864-3XXX | 3000–3999 | Assigned | NEW CINGULAR WIRELESS PCS, LLC | 6010 | BEAVERTON | OR |
| 2017-08-15 | 971-864-4XXX | 4000–4999 | Assigned | NEW CINGULAR WIRELESS PCS, LLC | 6010 | BEAVERTON | OR |
| 2017-05-02 | 971-864-5XXX | 5000–5999 | Assigned | TELEPORT COMMUNICATIONS AMERICA, LLC - OR | 7531 | BEAVERTON | OR |
| 2016-12-21 | 971-864-6XXX | 6000–6999 | Assigned | COMCAST IP PHONE, LLC | 318J | BEAVERTON | OR |
| 2017-08-15 | 971-864-7XXX | 7000–7999 | Assigned | NEW CINGULAR WIRELESS PCS, LLC | 6010 | BEAVERTON | OR |
| 2016-11-30 | 971-864-8XXX | 8000–8999 | Assigned | METROPCS, INC. | 5562 | BEAVERTON | OR |
| 2016-09-16 | 971-864-9XXX | 9000–9999 | Assigned | METROPCS, INC. | 5562 | BEAVERTON | OR |
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.