Area Code Lookup
What Area Code Is Dubuque?
Area code 563 · Iowa
Dubuque uses area code 563. It is located in Iowa.
Area Code Serving Dubuque
Frequently Asked Questions
What area code is Dubuque?
Dubuque uses area code 563. It is located in Iowa.
How do I call Dubuque from outside the US?
To call Dubuque from abroad, dial +1 followed by the area code and 7-digit local number (e.g. +1-563-XXX-XXXX). The +1 is the country code for all NANPA countries.