Area Code Lookup
What Area Code Is Hyannis?
Area code 508 · Massachusetts
Hyannis uses area code 508. It is located in Massachusetts.
Area Code Serving Hyannis
Frequently Asked Questions
What area code is Hyannis?
Hyannis uses area code 508. It is located in Massachusetts.
How do I call Hyannis from outside the US?
To call Hyannis from abroad, dial +1 followed by the area code and 7-digit local number (e.g. +1-508-XXX-XXXX). The +1 is the country code for all NANPA countries.