Where Is Area Code 978?
Area code 978 is found in the US state of Massachusetts. Primarily servicing the city of Lowell (population: 108957), area code 978 covers 4 counties of Massachusetts.
Located in the Eastern time zone, area code 978 is on the same time as New York, NY.
Area code 978 was brought into effect on September 1, 1997. 978 was split from the parent 508 area code.
Counties in Area Code 978
- Essex,
- Franklin,
- Middlesex,
- Worcester.
Most Populous Cities in Area Code 978
| City | County | City Population | Time Zone |
|---|---|---|---|
| Lowell | Middlesex | 108,957 | EST |
| Lawrence | Essex | 77,662 | EST |
| Haverhill | Essex | 61,898 | EST |
| Peabody | Essex | 51,798 | EST |
| Methuen | Essex | 48,041 | EST |
| Salem | Essex | 41,798 | EST |
| Leominster | Worcester | 41,272 | EST |
| Fitchburg | Worcester | 40,721 | EST |
| Beverly | Essex | 40,164 | EST |
| Andover | Essex | 33,757 | EST |
| Billerica | Middlesex | 30,998 | EST |
| Dracut | Middlesex | 30,090 | EST |
| Tewksbury | Middlesex | 29,317 | EST |
| Gloucester | Essex | 29,271 | EST |
| North Andover | Essex | 28,827 | EST |
| Danvers | Essex | 26,783 | EST |
| Chelmsford | Middlesex | 25,476 | EST |
| Wilmington | Middlesex | 22,831 | EST |
| Westford | Middlesex | 22,449 | EST |
| Acton | Middlesex | 21,846 | EST |
| Gardner | Worcester | 20,540 | EST |
| Hudson | Middlesex | 19,495 | EST |
| Concord | Middlesex | 18,128 | EST |
| Sudbury | Middlesex | 18,059 | EST |
| Newburyport | Essex | 17,707 | 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.