USA Area Codes

Area Code Haddam 785

Area Code: The city of Haddam (Washington county) is located in the state of Kansas. The Haddam area code is 785. For a local call in Haddam you don't have to dial the area code.

If you want to call from Topeka to Haddam you have to dial +1 785 and the telephone number of the person you want to reach.

List of Cities located close to Haddam:

AreaArea Code
Mahaska785

Last change: 23.04.2007