NumberResearchThousands-blocks in 913-356
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 913-356 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 913 blocks
Most active assignees, all time — NPA 913
New assignments by month
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Oct 2025
| Assigned | Thousands-block | Last 4 digits | Status | Assignee | OCN | Rate center | State |
|---|---|---|---|---|---|---|---|
| 2017-03-09 | 913-356-0XXX | 0000–0999 | Assigned | TELNYX LLC | 073H | BONNER SPG | KS |
| 2017-07-17 | 913-356-1XXX | 1000–1999 | Assigned | BANDWIDTH.COM CLEC, LLC - KS | 986E | BONNER SPG | KS |
| 2017-07-17 | 913-356-2XXX | 2000–2999 | Assigned | BANDWIDTH.COM CLEC, LLC - KS | 986E | BONNER SPG | KS |
| 2016-10-07 | 913-356-3XXX | 3000–3999 | Assigned | EVERFAST FIBER NETWORKS LLC | 3915 | BONNER SPG | KS |
| 2016-10-07 | 913-356-4XXX | 4000–4999 | Assigned | EVERFAST FIBER NETWORKS LLC | 3915 | BONNER SPG | KS |
| 2016-10-07 | 913-356-5XXX | 5000–5999 | Assigned | EVERFAST FIBER NETWORKS LLC | 3915 | BONNER SPG | KS |
| 2016-10-07 | 913-356-6XXX | 6000–6999 | Assigned | EVERFAST FIBER NETWORKS LLC | 3915 | BONNER SPG | KS |
| 2017-06-16 | 913-356-7XXX | 7000–7999 | Assigned | AT&T ENTERPRISES, LLC | 516C | BONNER SPG | KS |
| 2016-10-07 | 913-356-8XXX | 8000–8999 | Assigned | EVERFAST FIBER NETWORKS LLC | 3915 | BONNER SPG | KS |
| 2017-07-17 | 913-356-9XXX | 9000–9999 | Assigned | BANDWIDTH.COM CLEC, LLC - KS | 986E | BONNER SPG | KS |
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.