City ZIP codes · Tennessee

Sewanee, TN ZIP Codes

2 ZIP codes use the postal name Sewanee, Tennessee (Census 2020 ZCTAs and GeoNames postal codes, October 2026), all residential. Sewanee's most populous ZIP code is 37375, with 3,866 people (ACS 2020-2024); 6% of its land is in the city of Sewanee.

ACS2020-24
Census2020
GeoNames2026

Where are Sewanee's ZIP codes?

The 2 residential ZIP codes named Sewanee, shaded by median household income in national fifths (ACS 2020-2024). Select a ZIP to open it. <$54.1k$98.1k+no figure

Source: U.S. Census Bureau, 2020 ZCTA cartographic boundaries; ACS 2020-2024 5-year estimates (B19013).

All 2 residential ZIP codes of Sewanee

Residential ZIP codes with the postal name Sewanee, TN, largest first (ACS 2020-2024); sort by any column
	County
37375	Franklin County	3,866	56	$71k	$367k
37383	Franklin County	344	2,356	–	–

Download the 2 ZIP codes as CSV

Source: U.S. Census Bureau, ACS 2020-2024 5-year estimates; 2023 Gazetteer land areas (2020 ZCTAs); town names from simplemaps US ZIP Codes (CC BY 4.0) and GeoNames (CC BY 4.0).

Which counties do Sewanee's ZIP codes reach?

Sewanee's residential ZIP codes lie in 2 counties: Franklin County (2 ZIP codes mainly there), Marion County (part of a ZIP code).

Which first three digits do Sewanee's ZIP codes use?

The first three digits of a ZIP code name the sectional center, the mail processing plant that sorts it. Every ZIP code of Sewanee starts with 373.

Three-digit prefixes of Sewanee's ZIP codes, the sectional center for each (USPS labeling list L005, effective October 1, 2026) and how many of the prefix's codes are Sewanee's
Prefix	Sectional center	Here	All codes
373	Chattanooga, TN (SCF 373)	2	87

Source: U.S. Postal Service, labeling list L005 (3-digit ZIP Code prefix groups, SCF sortation), effective October 1, 2026.