Area Code Lookup
What Area Code Is Colonie?
2 area codes serve Colonie · New York
Colonie is served by area codes 518, 838. It is located in New York.
Area Codes Serving Colonie
Frequently Asked Questions
What area code is Colonie?
Colonie is served by area codes 518, 838. It is located in New York.
Why does Colonie 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). Colonie now has 2 area codes — 518 and 838 — covering the same or overlapping areas.
How do I call Colonie from outside the US?
To call Colonie from abroad, dial +1 followed by the area code and 7-digit local number (e.g. +1-518-XXX-XXXX). The +1 is the country code for all NANPA countries.