WEST USa
Look up area codes in Western USA
Western United States is home to the West Coast and the Rocky Mountains. It is comprised of 13 states including Alaska and Hawaii. The other 11 states are – Arizona, California, Colorado, Idaho, Montana, Nevada, New Mexico, Oregon, Utah, Washington, and Wyoming. The region is served by 68 area codes out of which 35 belong to the state of California. As you can see in the table below, we had to dedicate two full rows of the table to accommodate all of them! Washington claims a distant second spot with six area codes.
Also, you wouldn't find the area code of Washington DC in the list below. Washington DC is served by area code 202, which is one of the original area codes established under the North American Numbering Plan in 1947. If you need to dial the White House, now you know which area code to use.
Bad jokes apart, here is the complete list of area codes in Western United States: