307 Area Code

Area Code 307
State Wyoming
Country United State
Code Type General Purpose Code
In Service Yes
Timezone Mountain Standard Time (MST)
Overlay Complex -
Assignment Date 01-JAN-47
In Service Date 01-JAN-47
Area Code 307

What is the 307 Area Code?

Area code 307 is located in Wyoming, within United State, serving the region's residents and businesses. The 307 area code was first assigned in 01-JAN-47 and has been in service since 01-JAN-47.

Cities in Area Code 307

Area codes of Wyoming
Area codes of Wyoming

Further Details on the 307 Area Code

Where is the 307 Area Code Located?

Area code 307 serves the entire state of Wyoming 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 307 in?

Area code 307 is located in the Mountain Standard Time (MST) time zone. This designation indicates the predominant time zone for calls made within this area code.

When was area code 307 assigned and put into service?

Area code 307 was officially assigned on 01-JAN-47, signifying its designation for use in telecommunications, and it became operational on 01-JAN-47, allowing callers to begin using this area code for their dialing needs.

Is the 307 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 307?

For local calls within area code 307, the required dialing pattern is 7D. 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 307, local calls require 7D, and toll calls use 1+10D.

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