The following table shows each Ohio County and a list of calls for stations that plan to operate from the county. To enter your plans go to the Enter Plans Page.
| County | Abbr | Callsign |
|---|---|---|
| Adams | ADAM | |
| Allen | ALLE | W4KD |
| Ashland | ASHL | K8O/R |
| Ashtabula | ASHT | K8MR/M |
| Athens | ATHE | K8MR/M K8RYU |
| Auglaize | AUGL | W8HCG/M |
| Belmont | BELM | K8MR/M |
| Brown | BROW | |
| Butler | BUTL | K9NW |
| Carroll | CARR | K8MR/M |
| Champaign | CHAM | |
| Clark | CLAR | K8MR/M |
| Clermont | CLER | N8PE |
| Clinton | CLIN | K8MR/M KB8UEY |
| Columbiana | COLU | K8MR/M |
| Coshocton | COSH | K8MFO/R |
| Crawford | CRAW | W8HCG/M |
| Cuyahoga | CUYA | AF8A NA8SA |
| Darke | DARK | |
| Defiance | DEFI | |
| Delaware | DELA | K8MP KV8Q |
| Erie | ERIE | K8O/R |
| Fairfield | FAIR | K1LT K8MR/M |
| Fayette | FAYE | K8MR/M |
| Franklin | FRAN | |
| Fulton | FULT | W8RU/R |
| Gallia | GALL | K8RYU |
| Geauga | GEAU | K8MR/M W8WTS |
| Greene | GREE | K8MR/M |
| Guernsey | GUER | K8MR/M |
| Hamilton | HAMI | N8BV W8VND |
| Hancock | HANC | AB3AH N8ET/W8FT |
| Hardin | HARD | W8HCG/M |
| Harrison | HARR | K8MR/M |
| Henry | HENR | |
| Highland | HIGH | K8MR/M |
| Hocking | HOCK | K8MR/M |
| Holmes | HOLM | K8MFO/R |
| Huron | HURO | K8O/R |
| Jackson | JACK | K8RYU |
| Jefferson | JEFF | K8T KE8VMG KF8AVC W8CWO |
| Knox | KNOX | K8MFO/R |
| Lake | LAKE | K8BL |
| Lawrence | LAWR | K8RYU |
| Licking | LICK | K8MFO/R |
| Logan | LOGA | |
| Lorain | LORA | K8O/R |
| Lucas | LUCA | W8EDE W8KNX W8RU/R |
| Madison | MADI | K8NZ |
| Mahoning | MAHO | K8MR/M ND8DX |
| Marion | MARI | AC8XU |
| Medina | MEDI | K8O/R WN8KDN |
| Meigs | MEIG | K8RYU |
| Mercer | MERC | W8HCG/M |
| Miami | MIAM | KF8I |
| Monroe | MONR | K8MR/M |
| Montgomery | MONT | |
| Morgan | MORG | K8MR/M |
| Morrow | MORR | |
| Muskingum | MUSK | K8MFO/R K8MR/M WZ8P |
| Noble | NOBL | K8MR/M |
| Ottawa | OTTA | K8O/R W8JH |
| Paulding | PAUL | |
| Perry | PERR | K8MR/M |
| Pickaway | PICK | K8MR/M |
| Pike | PIKE | K4YJ |
| Portage | PORT | K8BF |
| Preble | PREB | K8YR |
| Putnam | PUTN | |
| Richland | RICH | K8O/R N8YOA W8WE |
| Ross | ROSS | K8MR/M WO4O |
| Sandusky | SAND | K8O/R |
| Scioto | SCIO | K8RYU |
| Seneca | SENE | K8O/R |
| Shelby | SHEL | W8HCG/M |
| Stark | STAR | K8MFO/R K8MR/M WG8X |
| Summit | SUMM | W8WKY |
| Trumbull | TRUM | K8MR/M |
| Tuscarawas | TUSC | K8MFO/R K8MR/M KF8BDH |
| Union | UNIO | K8SLH |
| VanWert | VANW | |
| Vinton | VINT | K8RYU |
| Warren | WARR | AJ8B |
| Washington | WASH | K8RYU W8HH |
| Wayne | WAYN | K8MFO/R |
| Williams | WILL | W8RU/R |
| Wood | WOOD | |
| Wyandot | WYAN | W8HCG/M |