Chillum, Maryland
Area codes 227, 240, 301 · Population: 33,513
Eastern (ET)
Maryland
Pop. 33,513
Area Codes Serving Chillum
About Chillum, Maryland
Chillum is a city in Maryland that is served by area codes 227, 240, 301. The city has a population of approximately 33,513 residents and is located in the Eastern Time Zone.