Area Code Lookup
What Area Code Is Bay City?
3 area codes serve Bay City
Bay City is served by area codes 503, 979, 989. It spans Oregon and Texas and Michigan.
Area Codes Serving Bay City
Frequently Asked Questions
What area code is Bay City?
Bay City is served by area codes 503, 979, 989.
Why does Bay City 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). Bay City now has 3 area codes — 503 and 979 and 989 — covering the same or overlapping areas.
How do I call Bay City from outside the US?
To call Bay City from abroad, dial +1 followed by the area code and 7-digit local number (e.g. +1-503-XXX-XXXX). The +1 is the country code for all NANPA countries.