Area Code Lookup
What Area Code Is Waldorf?
2 area codes serve Waldorf · Maryland
Waldorf is served by area codes 227, 240. It is located in Maryland.
Area Codes Serving Waldorf
Frequently Asked Questions
What area code is Waldorf?
Waldorf is served by area codes 227, 240. It is located in Maryland.
Why does Waldorf 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). Waldorf now has 2 area codes — 227 and 240 — covering the same or overlapping areas.
How do I call Waldorf from outside the US?
To call Waldorf from abroad, dial +1 followed by the area code and 7-digit local number (e.g. +1-227-XXX-XXXX). The +1 is the country code for all NANPA countries.