Carrier group · Competitive Local Exchange Carrier
Triangle Communication System
Total blocks
3
Recent (18 mo)
0
Medium
0
Old
3
Member OCNs
1
States
1
Area codes
1
First assigned block
2017-04-27
2017-04-27
Last assigned block
2017-06-07
2017-06-07
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Block portfolio at a glance
By age
- Recent (0) — last 18 mo
- Medium (0)
- Old (3)
Footprint by state
Stronger blue = more blocks issued in that state. ● marks states with activity in the last 18 months.
- Montana MT · 3
Top area codes
Bars show total blocks; red overlay is recent.
Block assignments by year
Member OCNs
1 OCN roll up under Triangle Communication System.
| OCN | Company name on file | HQ | Type | Total | Recent |
|---|---|---|---|---|---|
| 958H | Triangle Communication System Inc - MT | Havre, MT | Competitive Local Exchange Carrier | 3 | — |