Chattanooga, Tennessee

20 ZIP codes · Eastern, Central time

ZIP codes (largest first)

37421 · 52,98537415 · 24,18137412 · 21,86437411 · 18,99737405 · 18,10937404 · 14,73737416 · 13,91937406 · 13,36437407 · 9,15637403 · 6,41337419 · 5,98037410 · 4,12937402 · 3,95337408 · 3,50237409 · 3,35737401 (PO box)37414 (PO box)37422 (PO box)37424 (PO box)37450
Population185,783
StateTennessee
CountyHamilton County, Marion County
Time zoneEastern, Central
Land area142.35 sq mi

Area codes in this area

865

These are the area codes that most often serve Chattanooga (including overlays). The exact area code depends on the phone number — landlines, mobiles and overlays can differ even on the same street.

Find the ZIP+4 for an address in Chattanooga

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Population: U.S. Census Bureau, ACS 5-year estimates, 2024.