Find the last 4 digits (ZIP+4) for an address in 37405

ZIP 37405, Chattanooga, TN is filled in. Just type the street address.

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ZIP Code 37405 – Chattanooga, TN

Chattanooga, Tennessee · Marion County · Eastern time

ZIP code37405
CityChattanooga
StateTennessee
CountyMarion CountyHamilton County
Population18,109
Time zoneEastern · local time
ZIP typeStandard (has a Census ZCTA area)
Land area54.33 sq mi
Center (lat, long)35.1299, -85.3828

Area codes in this area

865

These are the area codes that most often serve ZIP 37405 (including overlays). The exact area code depends on the phone number — landlines, mobiles and overlays can differ even on the same street.

Map

Nearby ZIP codes

37415 Chattanooga · 5.7 mi37377 Signal Mountain · 5.8 mi37419 Chattanooga · 5.8 mi37402 Chattanooga · 6.9 mi37450 Chattanooga · 6.9 mi37401 Chattanooga · 7.1 mi37414 Chattanooga · 7.1 mi37422 Chattanooga · 7.1 mi

About ZIP 37405

ZIP code 37405 is assigned to Chattanooga, Tennessee. It crosses 2 counties; most of its land is in Marion County. Its Census area covers about 54.33 square miles of land. The closest neighboring ZIP is 37415 (Chattanooga), about 5.7 miles away.

Every address in 37405 also has a 4-digit add-on code (ZIP+4) that points to a smaller delivery area. Use the box above to find it.

Sources: US Census Bureau (ZCTA, county relationship files), GeoNames (CC BY 4.0), NANPA via NumberResearch.org (CC BY 4.0). Map © OpenStreetMap contributors. ZIP areas are approximate. Population: U.S. Census Bureau, ACS 5-year estimates, 2024 (ZCTA). Data sources