Telephone Company Codes
| TELCO |
TELNAME |
| AIT |
SBC Ohio |
| ALO |
Alltel
Ohio |
| ARC |
Arcadia |
| ARM |
Arthur
Mutual |
| AYE |
Ayersville |
| BAS |
Bascom
Mutual |
| BEN |
Benton
Ridge |
| BUC |
Buckland |
| CBT |
Cincinnati
Bell |
| CCS |
CC&S
Telco |
| CHA |
Champaign |
| CHT |
Chillicothe |
| CNT |
Continental |
| COG |
Columbus
Grove |
| CON |
Conneaut |
| CTO |
Century |
| DOY |
Doylestown |
| FAM |
Farmers
Mutual |
| FJE |
Fort
Jennings |
| GER |
Germantown |
| GLA |
Glandorf |
| GTE |
Verizon
North |
| KAL |
Kalida |
| LTM |
Little
Miami |
| MCL |
McClure |
| MIN |
Minford |
| MIX |
Mixed |
| MPH |
Middle
Point Home |
| NIL |
none |
| NKN |
New
Knoxville |
| NOV |
Nova |
| OAK |
Oakwood |
| ORW |
Orwell |
| OTT |
Ottoville
Mutual |
| PAT |
Pattersonville |
| RID |
Ridgeville |
| SHM |
Sherwood
Mutual |
| SYC |
Sycamore |
| TSC |
Telephone
Service Co |
| UTI |
United
of Indiana |
| UTO |
Sprint |
| VAN |
Vanlue |
| VAU |
Vaughnsville |
| WAB |
Wabash
Mutual |
| WRT |
Western
Reserve |