ZIP Codes in Chattanooga, TN
Chattanooga uses 16 ZIP codes, all in Hamilton, Marion Counties. Pick one below for details, or look up the full nine-digit ZIP+4 for a specific street address.
All 16 Chattanooga ZIP codes
| ZIP | Type | County | Population |
|---|---|---|---|
| 37402 | standard | Hamilton | 3,953 |
| 37403 | standard | Hamilton | 6,413 |
| 37404 | standard | Hamilton | 14,737 |
| 37405 | standard | Marion | 18,109 |
| 37406 | standard | Hamilton | 13,364 |
| 37407 | standard | Hamilton | 9,156 |
| 37408 | standard | Hamilton | 3,502 |
| 37409 | standard | Hamilton | 3,357 |
| 37410 | standard | Hamilton | 4,129 |
| 37411 | standard | Hamilton | 18,997 |
| 37412 | standard | Hamilton | 21,864 |
| 37415 | standard | Hamilton | 24,181 |
| 37416 | standard | Hamilton | 13,919 |
| 37419 | standard | Marion | 5,980 |
| 37421 | standard | Hamilton | 52,985 |
| 37450 | standard | Hamilton | — |
Finding a ZIP+4 in Chattanooga
Knowing which of these 16 ZIP codes covers an address only gets you partway. The four-digit extension identifies the specific delivery point — typically one side of one block. Two houses facing each other on the same Chattanooga street almost always have different ZIP+4 codes even though they share all five leading digits.
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