New Carrollton, Maryland
Area codes 227, 240, 301 · Population: 12,135
Eastern (ET)
Maryland
Pop. 12,135
Area Codes Serving New Carrollton
About New Carrollton, Maryland
New Carrollton is a city in Maryland that is served by area codes 227, 240, 301. The city has a population of approximately 12,135 residents and is located in the Eastern Time Zone.