Area Codes
| 620 | Kansas (Dodge City, Great Bend, Parsons, Liberal and southern Kansas not including the Wichita metropolitan area) | More information at: Area Code 620 Phone Number Blocks
| 620 | Kansas (Dodge City, Great Bend, Parsons, Liberal and southern Kansas not including the Wichita metropolitan area) | More information at: Area Code 620 Phone Number Blocks