Area Code Lookup
What Area Code Is Lock Haven?
Area code 570 · Pennsylvania
Lock Haven uses area code 570. It is located in Pennsylvania.
Area Code Serving Lock Haven
Frequently Asked Questions
What area code is Lock Haven?
Lock Haven uses area code 570. It is located in Pennsylvania.
How do I call Lock Haven from outside the US?
To call Lock Haven from abroad, dial +1 followed by the area code and 7-digit local number (e.g. +1-570-XXX-XXXX). The +1 is the country code for all NANPA countries.