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zipcodes.pro — CITY/TN/SIGNAL-MOUNTAIN

Signal Mountain ZIP code, Tennessee

The ZIP code for Signal Mountain, TN is 37377, and its area code is 423.

USPS city name
1 ZIP code
Population
8,860
Area code
423

NANPA lists no telephone rate centre for Signal Mountain itself, so these are the area codes of the nearest one, Chattanooga (5.8 miles). A town on an area-code boundary can differ from its neighbour.

Signal Mountain in numbers

About 8,860 people live in Signal Mountain, in 3,351 households. The median household income is $141,008 a year, 2.0 times the Tennessee median of $69,595 (US: $80,734). The median owner-occupied home is valued at $544,300 (90% above the Tennessee median), and median gross rent is $1,852 a month. The median age is 44.3; 72.8% of adults 25 and over hold a bachelor's degree or higher (31.1% across Tennessee); the average commute takes 28 minutes.

Population8,860Signal Mountain8,860
Households3,351Signal Mountain3,351
Median age44.3Signal Mountain44.3Tennessee38.9US 38.9
Median household income$141,008Signal Mountain$141,008Tennessee$69,595US $80,734
Median home value$544,300Signal Mountain$544,300Tennessee$286,700US $332,700
Median gross rent$1,852Signal Mountain$1,852Tennessee$1,189US $1,413
Bachelor's degree or higher72.8%Signal Mountain72.8%Tennessee31.1%US 35.7%
Mean commute27.5 minSignal Mountain27.5 minTennessee25.7 minUS 26.4 min
Population density1,059 / sq miSignal Mountain1,059 / sq mi

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

ZIP codes addressed as Signal Mountain

ZIP codes with the USPS city name Signal Mountain
ZIP City Type Population Median income Median home
37377 Signal Mountain , TN Standard 17,188 $119,636 $529,500

Map of Signal Mountain ZIP codes

37377

The ZIP codes of Signal Mountain, 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 Signal Mountain

The nearest larger towns are Red Bank (12,010 people, 3.4 mi), Chattanooga (185,783 people, 7.5 mi) and Middle Valley (12,187 people, 8.8 mi).

Towns near Signal Mountain
TownPopulationDistance
Red Bank 12,010 3.4 mi
Chattanooga 185,783 7.5 mi
Middle Valley 12,187 8.8 mi
Harrison 8,011 11.1 mi
East Ridge 22,070 12.0 mi
Rossville, GA 3,978 12.0 mi
Soddy-Daisy 13,231 12.6 mi
Lakeview, GA 4,723 12.6 mi
Fairview, GA 5,302 15.1 mi
Chattanooga Valley, GA 4,601 15.2 mi
Fort Oglethorpe, GA 10,416 15.6 mi
Dunlap 5,678 15.7 mi
Jasper 3,612 16.7 mi
Collegedale 11,330 17.7 mi

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

Cite this page

zipcodes.pro. “Signal Mountain, TN ZIP codes.” Data release 2026-10-12. Retrieved 2026-10-20. https://zipcodes.pro/city/tn/signal-mountain

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