Area Code Lookup
What Area Code Is Mountain City?
Area code 423 · Tennessee
Mountain City uses area code 423. It is located in Tennessee.
Area Code Serving Mountain City
Frequently Asked Questions
What area code is Mountain City?
Mountain City uses area code 423. It is located in Tennessee.
How do I call Mountain City from outside the US?
To call Mountain City from abroad, dial +1 followed by the area code and 7-digit local number (e.g. +1-423-XXX-XXXX). The +1 is the country code for all NANPA countries.