351 Area Code

Area Code	351
State	Massachusetts
Country	United State
Code Type	General Purpose Code
In Service	Yes
Timezone	Eastern Standard Time (EST)
Overlay Complex	351/978
Assignment Date	03-MAY-00
In Service Date	02-MAY-01
Area Code	351

What is the 351 Area Code?

Area code 351 is located in Massachusetts, within United State, serving the region's residents and businesses. The 351 area code was first assigned in 03-MAY-00 and has been in service since 02-MAY-01.

The 351 area code is part of an overlay complex, which includes the area codes 351/978. These codes all serve the same geographic region.

Cities in Area Code 351

Area codes of Massachusetts

Further Details on the 351 Area Code

Where is the 351 Area Code Located?

Area code 351 serves the entire state of Massachusetts in United State, providing phone services to both residential and business users. It covers urban, suburban, and rural areas alike, ensuring reliable communication across the region.

What time zone is area code 351 in?

Area code 351 is located in the Eastern Standard Time (EST) time zone. This designation indicates the predominant time zone for calls made within this area code.

When was area code 351 assigned and put into service?

Area code 351 was officially assigned on 03-MAY-00, signifying its designation for use in telecommunications, and it became operational on 02-MAY-01, allowing callers to begin using this area code for their dialing needs.

Is the 351 Area Code Still Active?

Yes, the 302 area code is still active and in service. It is the primary area code for all landline and mobile phones registered in Delaware. There are no overlay codes currently in place for the state.

What are the dialing requirements for making calls with area code 351?

For local calls within area code 351, the required dialing pattern is 10D. For toll calls, you'll need to dial 1+10D , where "D" indicates the number of digits to dial. When calling foreign NPAs from area code 351, local calls require 10D, and toll calls use 1+10D.

Data Sources: NANPA Area Code, U.S. Area Code Map