OCN 817J · IP-Enabled Service / VoIP
Interactive Services Network Inc
Part of the Telnet Worldwide group — 2 OCNs across 1 states · 463 blocks combined.
Total blocks
424
Recent (18 mo)
1
Medium
0
Old
314
Area codes
11
States
1
Address
31700 Research Park Dr
Madison Heights, MI 48071-4627
31700 Research Park Dr
Madison Heights, MI 48071-4627
First assigned block
2001-01-10
2001-01-10
Last assigned block
2026-03-25
2026-03-25
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HQ — Madison Heights, MI
Block portfolio at a glance
By age
- Recent (1) — last 18 mo
- Medium (0)
- Old (314)
- Undated (109)
Footprint by state
Stronger blue = more blocks issued in that state. ● marks states with activity in the last 18 months.
- Michigan MI · 424 · 1
Top area codes
Bars show total blocks; red overlay is recent.
Block assignments by year
Most recent assignments
Last 18 months — these blocks were issued by Interactive Services Network Inc since 2024-11-12.
| Number block | State | Rate center | Assigned |
|---|---|---|---|
| (989) 217-2XXX | MI | Gaylord | 2026-03-25 |
Sister OCNs in the Telnet Worldwide group
Same customer-facing carrier, different state-registered OCN. Combined stats are on the Telnet Worldwide group page.
| OCN | Company name on file | HQ state | Total | Recent |
|---|---|---|---|---|
| 4632 | Interactive Services Network Inc | MI | 39 | — |