NumberResearchThousands-blocks in 913-318
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 913-318 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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| Assigned | Thousands-block | Last 4 digits | Status | Assignee | OCN | Rate center | State |
|---|---|---|---|---|---|---|---|
| 2018-05-03 | 913-318-0XXX | 0000–0999 | Assigned | TWC IP ENABLED SERVICES, LLC | 793K | KANSASCITY | KS |
| 2018-05-03 | 913-318-1XXX | 1000–1999 | Assigned | TWC IP ENABLED SERVICES, LLC | 793K | KANSASCITY | KS |
| 2018-09-11 | 913-318-2XXX | 2000–2999 | Assigned | METROPCS, INC. | 5562 | KANSASCITY | KS |
| 2018-08-09 | 913-318-3XXX | 3000–3999 | Assigned | ONVOY, LLC - KS | 205F | KANSASCITY | KS |
| 2018-08-09 | 913-318-4XXX | 4000–4999 | Assigned | ONVOY, LLC - KS | 205F | KANSASCITY | KS |
| 2018-08-09 | 913-318-5XXX | 5000–5999 | Assigned | ONVOY, LLC - KS | 205F | KANSASCITY | KS |
| 2019-03-19 | 913-318-6XXX | 6000–6999 | Assigned | ONVOY, LLC - KS | 205F | KANSASCITY | KS |
| 2018-06-15 | 913-318-7XXX | 7000–7999 | Assigned | TELEPORT COMMUNICATIONS AMERICA, LLC - KS | 8995 | KANSASCITY | KS |
| 2018-09-19 | 913-318-8XXX | 8000–8999 | Assigned | BANDWIDTH.COM CLEC, LLC - KS | 986E | KANSASCITY | KS |
| 2018-09-19 | 913-318-9XXX | 9000–9999 | Assigned | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - KS | 6532 | KANSASCITY | KS |
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.