Every ZIP code in the United States, with weather, radar, trivia and the numbers behind it. Five digits since 1963!

ZIP stands for Zone Improvement Plan. The codes went live on July 1, 1963.The lowest ZIP code is 00501 — the IRS in Holtsville, New York.The highest ZIP code is 99950, in Ketchikan, Alaska.Type 07734 into a calculator and turn it upside down: hELLO. It is Keansburg, New Jersey.12345 belongs to one company: General Electric in Schenectady, New York.The first digit is a region: 0 is New England and New Jersey, 9 is the West Coast, Alaska and Hawaii.Mr. ZIP, the cartoon mailman, was the mascot that sold the idea to America.ZIP+4 arrived in 1983 and can narrow a ZIP down to one side of one block.A ZIP code is a mail route, not a place: plenty of them cross county and even state lines.Play ZIP Hunt: guess the secret ZIP code of the day in six tries.
zipcodes.pro — CITY/TN/CHATTANOOGA

Chattanooga ZIP codes, Tennessee

Chattanooga, TN has 20 ZIP codes, from 37401 to 37450, and area code 423. The largest are 37421, 37415 and 37412.

USPS city name
20 ZIP codes
Overlapping the city
5 more
Population
185,783
Area code
423

Mail addressed to Chattanooga uses the ZIP codes above. 5 more ZIP codes cover part of the city but are addressed as somewhere else; they are listed separately below.

Chattanooga in numbers

About 185,783 people live in Chattanooga, in 79,084 households, the 4th-largest of Tennessee's 502 census places. The median household income is $64,523 a year, 7% below the Tennessee median of $69,595 (US: $80,734). The median owner-occupied home is valued at $283,200 (about the same as the Tennessee median), and median gross rent is $1,256 a month. The median age is 36.3; 36.0% of adults 25 and over hold a bachelor's degree or higher (31.1% across Tennessee); the average commute takes 19 minutes.

Population185,783Chattanooga185,783
Households79,084Chattanooga79,084
Median age36.3Chattanooga36.3Tennessee38.9US 38.9
Median household income$64,523Chattanooga$64,523Tennessee$69,595US $80,734
Median home value$283,200Chattanooga$283,200Tennessee$286,700US $332,700
Median gross rent$1,256Chattanooga$1,256Tennessee$1,189US $1,413
Bachelor's degree or higher36.0%Chattanooga36.0%Tennessee31.1%US 35.7%
Mean commute18.5 minChattanooga18.5 minTennessee25.7 minUS 26.4 min
Population density1,305 / sq miChattanooga1,305 / sq mi

U.S. Census Bureau, American Community Survey 2020–2024 5-year estimates, for the census place Chattanooga city. Survey estimates carry margins of error, wider for small places. Sources and methods.

ZIP codes addressed as Chattanooga

ZIP codes with the USPS city name Chattanooga
ZIP City Type Population Median income Median home
37421 Chattanooga , TN Standard 52,985 $82,517 $333,700
37415 Chattanooga , TN Standard 24,181 $70,972 $285,000
37412 Chattanooga , TN Standard 21,864 $62,508 $209,900
37405 Chattanooga , TN Standard 18,109 $81,337 $460,600
37411 Chattanooga , TN Standard 18,997 $56,579 $232,300
37416 Chattanooga , TN Standard 13,919 $70,705 $253,100
37406 Chattanooga , TN Standard 13,364 $44,850 $168,000
37404 Chattanooga , TN Standard 14,737 $56,637 $255,400
37407 Chattanooga , TN Standard 9,156 $35,845 $98,900
37419 Chattanooga , TN Standard 5,980 $74,787 $351,800
37408 Chattanooga , TN Standard 3,502 $81,250 $468,200
37402 Chattanooga , TN Standard 3,953 $24,214 $268,800
37410 Chattanooga , TN Standard 4,129 $28,708 $153,400
37403 Chattanooga , TN Standard 6,413 $81,136 $525,200
37409 Chattanooga , TN Standard 3,357 $74,754 $267,400
37401 Chattanooga , TN No street area — — —
37414 Chattanooga , TN No street area — — —
37422 Chattanooga , TN No street area — — —
37424 Chattanooga , TN No street area — — —
37450 Chattanooga , TN Standard 0 — —

Other ZIP codes overlapping Chattanooga

These ZIP codes cover part of Chattanooga but are addressed as somewhere else.

ZIP codes overlapping Chattanooga
ZIP City Type Population Median income Median home
37341 Harrison , TN Standard 15,591 $92,120 $290,800
37343 Hixson , TN Standard 45,101 $82,227 $307,100
37351 Lupton City , TN Standard 281 $50,250 $219,000
37363 Ooltewah , TN Standard 42,093 $97,399 $376,800
37377 Signal Mountain , TN Standard 17,188 $119,636 $529,500

Map of Chattanooga ZIP codes

The ZIP codes of Chattanooga, TN, shaded. Outlines are Census ZIP Code Tabulation Areas (2020), which approximate the mail routes; PO-box and single-address codes have no area and are not drawn. Click any area to open its ZIP code.

Towns near Chattanooga

The nearest larger towns are Huntsville, AL (222,791 people, 85 mi) and Knoxville (195,185 people, 96 mi).

Towns near Chattanooga
TownPopulationDistance
Red Bank 12,010 4.2 mi
East Ridge 22,070 4.9 mi
Lakeview, GA 4,723 6.1 mi
Rossville, GA 3,978 6.7 mi
Harrison 8,011 7.0 mi
Signal Mountain 8,860 7.5 mi
Middle Valley 12,187 9.1 mi
Fort Oglethorpe, GA 10,416 9.3 mi
Fairview, GA 5,302 9.8 mi
Chattanooga Valley, GA 4,601 11.2 mi
Collegedale 11,330 11.4 mi
Ringgold, GA 3,435 12.7 mi
Chickamauga, GA 3,014 13.2 mi
Apison 4,271 14.1 mi

More nearby: every ZIP code in Hamilton County · Tennessee ZIP codes

Cite this page

zipcodes.pro. “Chattanooga, TN ZIP codes.” Data release 2026-10-12. Retrieved 2026-10-20. https://zipcodes.pro/city/tn/chattanooga

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