Area Code Lookup
What Area Code Is Charlestown?
3 area codes serve Charlestown
Charlestown is served by area codes 617, 812, 930. It spans Massachusetts and Indiana.
Area Codes Serving Charlestown
Frequently Asked Questions
What area code is Charlestown?
Charlestown is served by area codes 617, 812, 930.
Why does Charlestown 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). Charlestown now has 3 area codes — 617 and 812 and 930 — covering the same or overlapping areas.
How do I call Charlestown from outside the US?
To call Charlestown from abroad, dial +1 followed by the area code and 7-digit local number (e.g. +1-617-XXX-XXXX). The +1 is the country code for all NANPA countries.