NumberResearchThousands-blocks in 240-690
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 240-690 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 240 blocks
Most active assignees, all time — NPA 240
New assignments by month
Sep 2026
Aug 2026
Jul 2026
Jun 2026
May 2026
Apr 2026
Mar 2026
Feb 2026
Jan 2026
Dec 2025
Nov 2025
Oct 2025
| Assigned | Thousands-block | Last 4 digits | Status | Assignee | OCN | Rate center | State |
|---|---|---|---|---|---|---|---|
| 2017-03-02 | 240-690-0XXX | 0000–0999 | Assigned | TELNYX LLC | 073H | GAITHERSBG | MD |
| 2017-01-13 | 240-690-1XXX | 1000–1999 | Assigned | NEW CINGULAR WIRELESS PCS, LLC - DC | 4036 | GAITHERSBG | MD |
| 2018-05-16 | 240-690-2XXX | 2000–2999 | Assigned | ONVOY, LLC - MD | 876D | GAITHERSBG | MD |
| 2016-11-10 | 240-690-3XXX | 3000–3999 | Assigned | TELEPORT COMMUNICATIONS AMERICA, LLC - DC | 7529 | GAITHERSBG | MD |
| 2017-02-15 | 240-690-4XXX | 4000–4999 | Assigned | COMCAST IP PHONE, LLC | 318J | GAITHERSBG | MD |
| 2017-11-15 | 240-690-5XXX | 5000–5999 | Assigned | ONVOY, LLC - MD | 876D | GAITHERSBG | MD |
| 2017-11-15 | 240-690-6XXX | 6000–6999 | Assigned | ONVOY, LLC - MD | 876D | GAITHERSBG | MD |
| 2019-05-15 | 240-690-7XXX | 7000–7999 | Assigned | MCIMETRO ACCESS TRANSMISSION SERVICES LLC | 7229 | GAITHERSBG | MD |
| 2025-09-18 | 240-690-8XXX | 8000–8999 | Assigned | ONVOY, LLC - MD | 876D | GAITHERSBG | MD |
| 2018-11-30 | 240-690-9XXX | 9000–9999 | Assigned | VONAGE AMERICA LLC | 197D | GAITHERSBG | MD |
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.