Chattanooga, TN ZIP Codes
Chattanooga, Tennessee has 22 ZIP codes: 18 for street addresses (, , , , , and 12 more) and 4 for PO boxes.
Your street decides which one you use.
Which Chattanooga ZIP code is my address in?
Street ranges from the Census Bureau, 2026. PO box and organization ZIP codes are not found by street. A new street may be missing: address not found?
Chattanooga ZIP code map
Tap or point to an area to see its ZIP code.Full-size map
37401, 37414, 37422 and 37424 have no area on the map: they are PO box or single-organization ZIP codes. Dashed line: Chattanooga city limits.
Map: Census Bureau ZIP Code Tabulation Areas (2020) and place limits (2024).
All Chattanooga ZIP codes by type
| ZIP | Type and post office or station |
|---|---|
| 37343 | street delivery; mail may be addressed to Hixson Hixson |
| 37351 | street delivery; mail may be addressed to Lupton City Hixson |
| 37401 | PO boxes at the Downtown Chattanooga post office Downtown Chattanooga |
| 37402 | street delivery Downtown Chattanooga |
| 37403 | street delivery Downtown Chattanooga |
| 37404 | street delivery Highland Park |
| 37405 | street delivery North Chattanooga |
| 37406 | street delivery East Chattanooga |
| 37407 | street delivery South Chattanooga |
| 37408 | street delivery Downtown Chattanooga |
| 37409 | street delivery South Chattanooga |
| 37410 | street delivery South Chattanooga |
| 37411 | street delivery Eastgate |
| 37412 | street delivery East Ridge |
| 37414 | PO boxes at the Eastgate post office Eastgate |
| 37415 | street delivery Red Bank |
| 37416 | street delivery Murray Lake Hills |
| 37419 | street delivery South Chattanooga |
| 37421 | street delivery Eastgate |
| 37422 | PO boxes at the Chatt Main Office Window post office Chatt Main Office Window |
| 37424 | PO boxes at the Chickamauga post office Chickamauga |
| 37450 | street delivery Downtown Chattanooga |
Why your mail may say Chattanooga when you live outside it
Chattanooga ZIP codes also cover Middle Valley, East Ridge and Red Bank, so a letter addressed to Chattanooga can go to a home outside the city limits.
A ZIP code does not set your city, school district or tax. Hamilton County property records show which city you are in.
Chattanooga ZIP code questions
What is the main ZIP code for Chattanooga?
37402, the ZIP code of the main Downtown Chattanooga post office at 910 Georgia Ave.
Which Chattanooga ZIP codes are for PO boxes only?
37401, 37414, 37422 and 37424. Mail to them goes to boxes at the post office, not to street addresses.
What county is Chattanooga in?
Hamilton County.
ZIP codes for towns near Chattanooga
More towns near Chattanooga: Kennesaw, Oak Ridge, Milton, Huntsville, Gadsden, Maryville, Murfreesboro, Marietta, Roswell.
Sources and last checked
USPS ZIP Locale Detail (October 1, 2026), GeoNames (CC BY 4.0), U.S. Census Bureau, HUD-USPS crosswalk.
Checked October 20, 2026. Sources · How we build our lists · Corrections