521 Area Code

Area Code	521
State
Country
Code Type	General Purpose Code
In Service	Yes
Timezone	Eastern Standard Time (EST)
Overlay Complex	500/533/544/566/577/588/522/521
Assignment Date	24-MAR-17
In Service Date	21-SEP-17
Area Code	521

What is the 521 Area Code?

Area code 521 is located in , within , serving the region's residents and businesses. The 521 area code was first assigned in 24-MAR-17 and has been in service since 21-SEP-17.

The 521 area code is part of an overlay complex, which includes the area codes 500/533/544/566/577/588/522/521. These codes all serve the same geographic region.

Further Details on the 521 Area Code

Where is the 521 Area Code Located?

Area code 521 serves the entire state of in , 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 521 in?

Area code 521 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 521 assigned and put into service?

Area code 521 was officially assigned on 24-MAR-17, signifying its designation for use in telecommunications, and it became operational on 21-SEP-17, allowing callers to begin using this area code for their dialing needs.

Is the 521 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 521?

For local calls within area code 521, the required dialing pattern is NA. For toll calls, you'll need to dial NA , where "D" indicates the number of digits to dial. When calling foreign NPAs from area code 521, local calls require NA, and toll calls use NA.

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