Area Code Lookup
What Area Code Is Maple Valley?
Area code 425 · Washington
Maple Valley uses area code 425. It is located in Washington.
Area Code Serving Maple Valley
Frequently Asked Questions
What area code is Maple Valley?
Maple Valley uses area code 425. It is located in Washington.
How do I call Maple Valley from outside the US?
To call Maple Valley from abroad, dial +1 followed by the area code and 7-digit local number (e.g. +1-425-XXX-XXXX). The +1 is the country code for all NANPA countries.