ILLINOIS INDIANA MICHIGAN MINNESOTA
NORTH CAROLINA TENNESSEE
ILLINOIS
| Barrington | BAR |
| Bolingbrook | BOL |
| Bourbonnais | BRB |
| Chicago - Archer Avenue | ACH |
| Chicago - Michigan Avenue | MIA |
| Decatur | DCT |
| Frankfort | FRT |
| Hoffman Estates | HES |
| Joliet | JOL |
| Lombard | LBD |
| Naperville | NPV |
| New Lenox | NLX |
| Oak Lawn | OKL |
| Orland Park | OPK |
| Ottawa | OTT |
INDIANA
| Chesterton | CHS |
| Crawfordsville | CRW |
| Dyer | DYR |
| Valparaiso | VLP |
MICHIGAN
| Bad Axe | BAX |
| Brighton | BRT |
| Caro | CRO |
| Carson City | CRC |
| Charlotte | CLT |
| Flint Hill | FHI |
| Flint Villa Linde | FVL |
| Grand Blanc | GBL |
| Lapeer | LAP |
| Livonia | LIV |
| Okemos | OKM |
| Rochester Hills | RCH |
| Sandusky | SDK |
MINNESOTA
| Blaine | BLA |
| Burnsville | BUR |
| Crystal Lake | CRY |
| Edina 6545 | EDN-65 |
| Edina 7373 | EDN-73 |
| Excelsior | EXC |
| Plymouth | PLY |
| Woodbury | WDB |
NORTH CAROLINA
| Charlotte | CLT |
| Monroe | MNR |
TENNESSEE
| Brentwood | BRW |
| Clarksville | CKV |
| Franklin | FRK |
| Lebanon | LEB |
| Manchester | MNC |
| McMinnville | MCM |
| Mt Juliet | MTJ |
|
Murfreesboro - |
MRM |
| Nashville - Belle Meade | NSB |
| Smyrna | SMY |
| Winchester | WIN |