USA Area Codes

Area Code Signal Mountain 423

Area Code: The city of Signal Mountain is located in the state of Tennessee (Hamilton county). Nashville is the state capital of Tennessee. The area code of Signal Mountain is 423. For local calls is no area code required.

If you want to call from Nashville to Signal Mountain you have to dial +1 423 and the telephone number of the person you want to reach.

The following list shows Cities located close to Signal Mountain:

AreaArea Code
Lookout Mountain423

Last change: 23.04.2007