Area Code Lookup
What Area Code Is Newton?
5 area codes serve Newton
Newton is served by area codes 617, 641, 828, 857, 973. It spans Massachusetts and Iowa and North Carolina and New Jersey.
Area Codes Serving Newton
Frequently Asked Questions
What area code is Newton?
Newton is served by area codes 617, 641, 828, 857, 973.
Why does Newton 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). Newton now has 5 area codes — 617 and 641 and 828 and 857 and 973 — covering the same or overlapping areas.
How do I call Newton from outside the US?
To call Newton 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.