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Chattanooga city, TN

ZIP Code 37450 — Chattanooga city, TN Demographics & Data

Source: U.S. Census Bureau ACS 2019–2023 5-Year Estimates. Page data updated 2026-08-02.

Map, Quick Facts & Location

Quick Facts

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City
Chattanooga city
County
Hamilton County
TN
Timezone
CST(America/Chicago)
Area Code
423
Congress
TN-3
DMA
CHATTANOOGA (575)
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Location
Coordinates
35.7478, -86.6923
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At a glance

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CST

Overview of ZIP Code 37450

7-day weather forecast

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What to know about ZIP 37450

ZIP code 37450 covers Chattanooga, TN in Hamilton County.

It sits in telephone area code 423; U.S. House district TN-3; the CHATTANOOGA media market.

Climate risk and migration signals

FEMA’s National Risk Index rates natural-hazard risk for Chattanooga city, TN as Relatively Moderate (composite score 93.3), which is among the highest nationally. The strongest component scores on US5 are flood (94.9) and wildfire (70.6). These scores are county-linked NRI values published for planning context — all ZIP codes in the same county share the same composite score on US5. Useful when comparing insurance and disaster exposure across areas, not a substitute for a parcel-level flood or fire determination.

Climate normals for Chattanooga city, TN show limited published climate normals on US5.