831 Area Code

Area Code 831
State California
Country United State
Code Type General Purpose Code
In Service Yes
Timezone Pacific Standard Time (PST)
Overlay Complex -
Assignment Date 22-MAY-97
In Service Date 11-JUL-98
Area Code 831

What is the 831 Area Code?

Area code 831 is located in California, within United State, serving the region's residents and businesses. The 831 area code was first assigned in 22-MAY-97 and has been in service since 11-JUL-98.

Further Details on the 831 Area Code

Where is the 831 Area Code Located?

Area code 831 serves the entire state of California 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 831 in?

Area code 831 is located in the Pacific Standard Time (PST) time zone. This designation indicates the predominant time zone for calls made within this area code.

When was area code 831 assigned and put into service?

Area code 831 was officially assigned on 22-MAY-97, signifying its designation for use in telecommunications, and it became operational on 11-JUL-98, allowing callers to begin using this area code for their dialing needs.

Is the 831 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 831?

For local calls within area code 831, the required dialing pattern is 7D. For toll calls, you'll need to dial 7D , where "D" indicates the number of digits to dial. When calling foreign NPAs from area code 831, local calls require 1+10D, and toll calls use 1+10D.

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