Carrier group · Incumbent Local Exchange Carrier
Triangle Telephone Cooperative Association
Total blocks
92
Recent (18 mo)
0
Medium
0
Old
1
Member OCNs
1
States
1
Area codes
1
First assigned block
2016-07-27
2016-07-27
Last assigned block
2016-07-27
2016-07-27
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Block portfolio at a glance
By age
- Recent (0) — last 18 mo
- Medium (0)
- Old (1)
- Undated (91)
Footprint by state
Stronger blue = more blocks issued in that state. ● marks states with activity in the last 18 months.
- Montana MT · 92
Top area codes
Bars show total blocks; red overlay is recent.
Block assignments by year
Member OCNs
1 OCN roll up under Triangle Telephone Cooperative Association.
| OCN | Company name on file | HQ | Type | Total | Recent |
|---|---|---|---|---|---|
| 2257 | Triangle Telephone Cooperative Association Inc | Havre, MT | Incumbent Local Exchange Carrier | 92 | — |