Area Code Lookup
What Area Code Is Johnstown?
2 area codes serve Johnstown
Johnstown is served by area codes 582, 838. It spans Pennsylvania and New York.
Area Codes Serving Johnstown
Frequently Asked Questions
What area code is Johnstown?
Johnstown is served by area codes 582, 838.
Why does Johnstown have multiple area codes?
As demand for phone numbers increased, NANPA added area codes through splits (dividing the region) or overlays (layering a new code over the same geography). Johnstown now has 2 area codes — 582 and 838 — covering the same or overlapping areas.
How do I call Johnstown from outside the US?
To call Johnstown from abroad, dial +1 followed by the area code and 7-digit local number (e.g. +1-582-XXX-XXXX). The +1 is the country code for all NANPA countries.