NumberResearchThousands-blocks in 616-244
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 616-244 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 616 blocks
Most active assignees, all time — NPA 616
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 |
|---|---|---|---|---|---|---|---|
| 2004-08-17 | 616-244-0XXX | 0000–0999 | Assigned | ACD TELECOM, INC. - MI | 3535 | BELDING | MI |
| 2004-11-24 | 616-244-1XXX | 1000–1999 | Assigned | TELNET WORLDWIDE, INC. | 817J | BELDING | MI |
| 2006-04-27 | 616-244-2XXX | 2000–2999 | Assigned | LEVEL 3 COMMUNICATIONS, LLC - MI | 6120 | BELDING | MI |
| 2007-01-17 | 616-244-3XXX | 3000–3999 | Assigned | CHARTER IP ENABLED SERVICES, LLC | 792K | BELDING | MI |
| 2008-11-19 | 616-244-4XXX | 4000–4999 | Assigned | COMCAST IP PHONE, LLC | 318J | BELDING | MI |
| 2011-01-19 | 616-244-5XXX | 5000–5999 | Assigned | AT&T ENTERPRISES, LLC | 516C | BELDING | MI |
| 2003-12-23 | 616-244-6XXX | 6000–6999 | Assigned | PAETEC ITEL, LLC | 829J | BELDING | MI |
| 2009-01-16 | 616-244-7XXX | 7000–7999 | Assigned | TELEPORT COMMUNICATIONS AMERICA, LLC - MI | 770E | BELDING | MI |
| 2012-07-26 | 616-244-8XXX | 8000–8999 | Assigned | BANDWIDTH.COM CLEC, LLC - MI | 991E | BELDING | MI |
| 2020-05-15 | 616-244-9XXX | 9000–9999 | Assigned | ONVOY, LLCV - MI | 543C | BELDING | 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.