Sulphur, LA ZIP codes
Sulphur, Louisiana has 3 ZIP codes, including 1 PO Box ZIP. They are in Calcasieu Parish.
- Population in these ZIPs
- 41,021
- Avg. median income
- $71,800population-weighted
- Typical home value
- $201,200population-weighted
- Metro area
- Lake Charles, LA
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Sulphur, LA ZIP codes list
| ZIP code | County | Population | Median income | Typical home value |
|---|---|---|---|---|
| 70663 | Calcasieu Parish | 27,799 | $64,707 | $184,400 |
| 70664 PO Box | Calcasieu Parish | — | — | — |
| 70665 | Calcasieu Parish | 13,222 | $86,573 | $236,400 |
Population and median household income: ACS 2020–2024 5-year estimates. Typical home value: Zillow Home Value Index (September 2026) where available, otherwise the ACS median owner-reported value. "PO Box" marks ZIP codes with no delivery area of their own. Methodology
Cities near Sulphur
Frequently asked questions
What county is Sulphur, Louisiana in?
Sulphur ZIP codes are in Calcasieu Parish.
Which Sulphur ZIP codes are PO Boxes?
70664 is a PO Box or single-organization ZIP code; it has no residential delivery area.