Area Code Lookup
What Area Code Is Callahan?
Area code 904 · Florida
Callahan uses area code 904. It is located in Florida.
Area Code Serving Callahan
Frequently Asked Questions
What area code is Callahan?
Callahan uses area code 904. It is located in Florida.
How do I call Callahan from outside the US?
To call Callahan from abroad, dial +1 followed by the area code and 7-digit local number (e.g. +1-904-XXX-XXXX). The +1 is the country code for all NANPA countries.