ZIP code · Portland · Tennessee · United States
ZIP code 37148 — Portland
ZIP code 37148 serves Portland, Tennessee.
- Postal code
- 37148Single source Value from one source, not cross-checked.
- City
- Portland
- County
- Sumner
- State
- Tennessee
- Country
- United States
- Coordinates
- 36.5673, -86.5059 — precision precise (locality)
View on OpenStreetMap - Population
- 25,421 (ZCTA, ACS 5-year)
- Median household income
- $77,684
- Median age
- 36.5
- Time zone
- America/Chicago (UTC−6 / UTC−5 DST)
- Area codes
- 615, 629Telephone area codes serving this ZIP (NANPA central-office assignments). A ZIP and an area code are different boundaries; at a border both codes may apply.
About this page
US ZIP codes have five digits. They are postal routing areas, not administrative boundaries: a ZIP can span more than one city or county, and the city shown is the primary USPS name for that code.
GeoNames · U.S. Census Bureau (ACS). Data generated on 2026-08-21. Methodology · Report an error on this page