Area codes in Maryville, Tennessee

Maryville, Tennessee uses area code 865. The main Maryville area code is 865.

Area codes serving Maryville

Phone numbers in Maryville are written as ten digits — for example (865) 555-0190 — and fall in the Eastern Time zone.

All Tennessee area codes · Is a Maryville call a scam?

Nearby cities

More cities in Tennessee

Frequently asked questions

What is the area code for Maryville?

The main area code for Maryville, Tennessee is 865.

How many area codes does Maryville have?

Maryville has 1 area code: 865.

How do you dial a Maryville number?

Dial all 10 digits — the area code (865) followed by the 7-digit local number. From abroad, dial +1, then the area code and number.

Sourced from the official NANPA (North American Numbering Plan Administrator) numbering database, current as of August 2, 2026. Refreshed monthly.