Lock Haven, Pennsylvania Area Code
Lock Haven, PA is officially utilizing two area codes which are area codes 570 and 272. Ten digit dialing (area code + seven digit number) is necessary.
In addition to Lock Haven, PA area code information read more about area codes 570 and 272 details and Pennsylvania area codes.
Lock Haven, PA is located in Clinton County and observes the Eastern Time Zone. View our Times by Area Code tool.
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