Potomac, Maryland
Area codes 227, 240, 301 · Population: 44,965
Eastern (ET)
Maryland
Pop. 44,965
Area Codes Serving Potomac
About Potomac, Maryland
Potomac is a city in Maryland that is served by area codes 227, 240, 301. The city has a population of approximately 44,965 residents and is located in the Eastern Time Zone.