37840 Frequently Asked Questions

A: ZIP Code 37840 is Located in Oliver Springs Tennessee. Portions of 37840 are also in Coalfield, Oak Ridge.

A: ZIP Code 37840 is Located Primarily in Morgan County Tennessee with Portions in Anderson County and Roane County.

A: The Current Sales Tax in ZIP Code 37840 is 9.8%

A: The Area Codes for 37840 are 423 and 865

A: ZIP Code 37840 is in the Tennessee 3rd Congressional District.

A: 37840 is within Tennessee State House of Representatives District 33 and Tennessee State House of Representatives District 41.

A: 37840 is within Tennessee State Senate District 5 and Tennessee State Senate District 12.

A: The 2022 population of ZIP Code 37840 is 10451. The population growth rate in 37840 is 0.00%. The population density of 37840 is 131.

A: The majority race/ethnicity of people residing in 37840 is White (99.06%). The majority race/ethnicity of students attending public schools in 37840 is White(94.18%).

A: The median household income in 37840 is $53,702 (2021) and the average adjusted income is $308,670 (2021).