437 Area Code

Area Code	437
State	Ontario
Country	Canada
Code Type	General Purpose Code
In Service	Yes
Timezone	Eastern Standard Time (EST)
Overlay Complex	416/437/647
Assignment Date	25-JUL-11
In Service Date	25-MAR-13
Area Code	437

What is the 437 Area Code?

Area code 437 is located in Ontario, within Canada, serving the region's residents and businesses. The 437 area code was first assigned in 25-JUL-11 and has been in service since 25-MAR-13.

The 437 area code is part of an overlay complex, which includes the area codes 416/437/647. These codes all serve the same geographic region.

Further Details on the 437 Area Code

Where is the 437 Area Code Located?

Area code 437 serves the entire state of Ontario in Canada, 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 437 in?

Area code 437 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 437 assigned and put into service?

Area code 437 was officially assigned on 25-JUL-11, signifying its designation for use in telecommunications, and it became operational on 25-MAR-13, allowing callers to begin using this area code for their dialing needs.

Is the 437 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 437?

For local calls within area code 437, 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 437, local calls require 10D, and toll calls use 1+10D.

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