Area Code Lookup
What Area Code Is Seymour?
2 area codes serve Seymour
Seymour is served by area codes 475, 812. It spans Connecticut and Indiana.
Area Codes Serving Seymour
Frequently Asked Questions
What area code is Seymour?
Seymour is served by area codes 475, 812.
Why does Seymour 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). Seymour now has 2 area codes — 475 and 812 — covering the same or overlapping areas.
How do I call Seymour from outside the US?
To call Seymour from abroad, dial +1 followed by the area code and 7-digit local number (e.g. +1-475-XXX-XXXX). The +1 is the country code for all NANPA countries.