ZIP code · Mermentau · Louisiana · United States
ZIP code 70556 — Mermentau
ZIP code 70556 serves Mermentau, Louisiana.
- Postal code
- 70556Single source Value from one source, not cross-checked.
- City
- Mermentau
- County
- Acadia
- State
- Louisiana
- Country
- United States
- Coordinates
- 30.1861, -92.5722 — precision precise (locality)
View on OpenStreetMap - Population
- 570 (ZCTA, ACS 5-year)
- Median household income
- $112,864
- Median age
- 68.6
Nearby localities
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 · census-acs5. Data generated on 2026-08-21. Methodology · Report an error on this page