Area Code Lookup
What Area Code Is Philadelphia Suburban Zone 31?
Area code 610 · Pennsylvania
Philadelphia Suburban Zone 31 uses area code 610. It is located in Pennsylvania.
Area Code Serving Philadelphia Suburban Zone 31
Frequently Asked Questions
What area code is Philadelphia Suburban Zone 31?
Philadelphia Suburban Zone 31 uses area code 610. It is located in Pennsylvania.
How do I call Philadelphia Suburban Zone 31 from outside the US?
To call Philadelphia Suburban Zone 31 from abroad, dial +1 followed by the area code and 7-digit local number (e.g. +1-610-XXX-XXXX). The +1 is the country code for all NANPA countries.