Area Code Lookup
What Area Code Is Claremont?
2 area codes serve Claremont
Claremont is served by area codes 603, 948. It spans New Hampshire and Virginia.
Area Codes Serving Claremont
Frequently Asked Questions
What area code is Claremont?
Claremont is served by area codes 603, 948.
Why does Claremont 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). Claremont now has 2 area codes — 603 and 948 — covering the same or overlapping areas.
How do I call Claremont from outside the US?
To call Claremont from abroad, dial +1 followed by the area code and 7-digit local number (e.g. +1-603-XXX-XXXX). The +1 is the country code for all NANPA countries.