Area Code Lookup
What Area Code Is Keller?
Area code 817 · Texas
Keller uses area code 817. It is located in Texas.
Area Code Serving Keller
Frequently Asked Questions
What area code is Keller?
Keller uses area code 817. It is located in Texas.
How do I call Keller from outside the US?
To call Keller from abroad, dial +1 followed by the area code and 7-digit local number (e.g. +1-817-XXX-XXXX). The +1 is the country code for all NANPA countries.