Southeastern Indiana Rural Telephone Cooperative Inc
Holding: SEI Rural Telephone Cooperative Inc
2018-02-09
2018-02-23
About SEI Rural Telephone Cooperative
SEI Communications, operating as a member-owned telephone cooperative since 1953, provides local exchange telephone service as an ILEC in portions of Dearborn, Jefferson, Jennings, Ohio, Ripley, and Switzerland counties in southeastern Indiana. It serves rural residential and small business customers with voice, DSL, fiber (up to 1 Gbps), and fixed wireless internet, supplemented by CLEC operations elsewhere in Indiana. As a small rural telco, it partners with Southeastern Indiana REMC on the SEI Fiber network for broadband expansion.
- Founded: 1953
- Headquarters: Dillsboro, IN
- Services: rural ILEC, rural CLEC, fiber broadband, DSL, fixed wireless
Sources: SEI Communications, Inc · About Us | SEI Communications, Inc · Sei Communications - Overview, News & Similar companies
Toll-free side: SEI Rural Telephone Cooperative also operates as a toll-free RespOrg (code CJI01). View on resporgs.com →
Headquarters: Dillsboro, IN
From Southeastern Indiana Rural Telephone Cooperative Inc (OCN 0819), the largest member of the Southeastern Indiana Rural Telephone Cooperative Inc group.

Carrier website
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Block portfolio at a glance
By age
- Recent (0). Last 18 mo
- Medium (0)
- Old (6)
- Undated (32)
Footprint by state
Stronger blue = more blocks issued in that state. ● marks states with activity in the last 18 months.
- Indiana IN · 38
Top area codes
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Block assignments by year
Member OCNs
2 OCNs roll up under Southeastern Indiana Rural Telephone Cooperative Inc.
| OCN | Company name on file | HQ | Type | Total | Recent |
|---|---|---|---|---|---|
| 0819 | Southeastern Indiana Rural Telephone Cooperative Inc | Dillsboro, IN | Incumbent Local Exchange Carrier | 31 | · |
| 4704 | SEI Data Inc - IN | Dillsboro, IN | Competitive Local Exchange Carrier | 7 | · |
