Where Is Area Code 410?
Area code 410 is found in the US state of Maryland. Primarily servicing the city of Baltimore (population: 630667), area code 410 covers 17 counties of Maryland.
Located in the Eastern time zone, area code 410 is on the same time as New York, NY.
Area code 410 was brought into effect on October 6, 1991. 410 was split from the parent 301 area code.
Counties in Area Code 410
- Anne Arundel,
- Baltimore,
- Baltimore City,
- Calvert,
- Caroline,
- Carroll,
- Cecil,
- Dorchester,
- Frederick,
- Harford,
- Howard,
- Kent,
- Queen Annes,
- Somerset,
- Talbot,
- Wicomico,
- Worcester.
Most Populous Cities in Area Code 410
| City | County | City Population | Time Zone |
|---|---|---|---|
| Baltimore | Baltimore City | 630,667 | EST |
| Columbia | Howard | 99,159 | EST |
| Annapolis | Anne Arundel | 94,301 | EST |
| Glen Burnie | Anne Arundel | 84,885 | EST |
| Ellicott City | Howard | 83,750 | EST |
| Parkville | Baltimore | 70,699 | EST |
| Salisbury | Wicomico | 69,863 | EST |
| Bel Air | Harford | 64,798 | EST |
| Pasadena | Anne Arundel | 62,021 | EST |
| Westminster | Carroll | 57,182 | EST |
| Dundalk | Baltimore | 56,619 | EST |
| Owings Mills | Baltimore | 54,608 | EST |
| Gwynn Oak | Baltimore | 48,665 | EST |
| Catonsville | Baltimore | 48,307 | EST |
| Elkton | Cecil | 44,729 | EST |
| Towson | Baltimore | 42,983 | EST |
| Essex | Baltimore | 42,804 | EST |
| Middle River | Baltimore | 39,804 | EST |
| Nottingham | Baltimore | 39,065 | EST |
| Sykesville | Carroll | 38,049 | EST |
| Lutherville Timonium | Baltimore | 37,027 | EST |
| Windsor Mill | Baltimore | 35,145 | EST |
| Pikesville | Baltimore | 34,411 | EST |
| Reisterstown | Baltimore | 34,287 | EST |
| Halethorpe | Baltimore | 34,039 | EST |
Note: The above list is based off of the top 25 most populous cities in the area code as per 2012 United States Census Bureau estimates.
View all United States Area Codes.
This page was last updated on July 3, 2015.