South Lancaster, Massachusetts Area Code
South Lancaster, MA is officially utilizing an area code overlay in which area codes 351 and 978 serve the same geographic area. Ten digit dialing (area code + seven digit number) is necessary.
In addition to South Lancaster, MA area code information read more about area codes 351 and 978 details and Massachusetts area codes.
South Lancaster, MA is located in Worcester County and observes the Eastern Time Zone. View our Times by Area Code tool.
Select Any Massachusetts City or Town Alphabetically
Area Codes Look Up By State and City
Area Codes Look Up in Surrounding Places
