Rules for ZIP Code 37663

Kingsport, TN · Sullivan County

23 local rules on file for this area. The rules on file for this ZIP code come from Sullivan County.

ZIP code 37663 is unincorporated Sullivan County land, in the community of Colonial Heights: about 54% of its residents live outside any city or town, so the county's ordinances are the local rules here. County rules tend to differ from nearby cities in areas like noise enforcement, building setbacks, and animal regulations.

ZIP codes do not follow city lines. 37663 also covers:

city of Kingsport~46% of residents · not covered yet
Colonial Heights (community)~19% of residents
Spurgeon (community)~14% of residents · not covered yet

Shares are estimates from 2020 Census geography. If your address is in one of these, its rules apply instead.

Each topic below links to the full ordinance breakdown with specific code sections, fine amounts, and answers to common questions. The data is sourced from the official municipal code and verified by our editorial team.