Area Code Lookup
What Area Code Is Derry?
Area code 603 · New Hampshire
Derry uses area code 603. It is located in New Hampshire.
Area Code Serving Derry
Frequently Asked Questions
What area code is Derry?
Derry uses area code 603. It is located in New Hampshire.
How do I call Derry from outside the US?
To call Derry from abroad, dial +1 followed by the area code and 7-digit local number (e.g. +1-603-XXX-XXXX). The +1 is the country code for all NANPA countries.