– phone area 605-966
📌Jefferson, SD
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Area code 605-966 is assigned to Jefferson, SD.

Main city: Jefferson
Timezone: Central / Mountain
Phone type: Landline
Operator: Jefferson Telephone Co.

Jefferson, a city in Union County, South Dakota, United States. The population was 547 at the 2010 census. It is part of the Sioux City, IA–NE–SD Metropolitan Statistical Area. Jefferson was founded in 1859. Every year the citizens of Jefferson and surrounding area celebrate the founding of Jefferson during the "Days of '59", a festival that includes softball, basketball, horseshoes, car show, fireworks and parade. source

North American Area code 605 is the telephone area code serving the entire state of South Dakota, and is one of the area codes that was created in 1947. It is also one of a gradually decreasing number of single-state, single LATA, single area code areas. (North Dakota uses only the 701 area code, but is split into two LATAs, one of which includes Minnesota.) source

Phone number full length is 10 digits: (605) 966-xxxx

International format length is 11 digits: +1 (605) 966-xxxx

Number can be also written as: 605-966, 605966, +1-605-966

Most requested numbers in the neighborhood:
605-966-7625, 605-966-6150, 605-966-0001, 605-966-6493, 605-966-6323