ZIP code · Sulphur · Louisiana · United States
ZIP code 70663 — Sulphur
ZIP code 70663 serves Sulphur, Louisiana.
- Postal code
- 70663Single source Value from one source, not cross-checked.
- City
- Sulphur
- County
- Calcasieu FIPS 22019
- State
- Louisiana
- Country
- United States
- Coordinates
- 30.2190, -93.3639 — precision precise (locality)
View on OpenStreetMap - Population
- 29,511 (ZCTA, ACS 5-year)
- Population density
- 302 / sq mi
- Land area
- 97.8 sq mi (253.2 km²) (ZCTA, ACS 5-year)
- Median household income
- $59,444
- Per-capita income
- $28,609
- Median age
- 37.7
- Households
- 10,634
- Housing units
- 12,767
- Median home value
- $174,300
- Median gross rent
- $914 / month
- Congressional districts
- LA-4 (also LA-3) (119th Congress)
- USDA hardiness zone
- 9a (20 to 25 °F)Planting / growing zone from the 2023 USDA Plant Hardiness Zone Map: average annual extreme minimum temperature, 1991–2020.
- Time zone
- America/Chicago (UTC−6 / UTC−5 DST)
- Area code
- 337Telephone 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.
Tools: compare 70663 with another ZIP · ZIPs within 25 miles · distance from 70663
Map of ZIP code 70663
Climate — monthly normals
Warmest month Aug (avg high 93°F), coldest Jan (avg low 43°F).
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Avg high °F | 63 | 67 | 73 | 79 | 85 | 91 | 92 | 93 | 89 | 82 | 72 | 65 |
| Avg low °F | 43 | 47 | 53 | 59 | 67 | 74 | 76 | 75 | 71 | 60 | 51 | 45 |
| Precip in | 5.9 | 3.3 | 3.7 | 4.4 | 5.4 | 6.5 | 5.7 | 6.2 | 5.2 | 4.8 | 4.1 | 4.6 |
NOAA 1991–2020 climate normals from the nearest station: LAKE CHARLES (11.0 mi) · NOAA NCEI
Places in ZIP 70663
- 16 schools
- 20 hospitals & clinics
- 12 doctors & dentists
- 4 pharmacies
- 7 supermarkets
- 76 restaurants & cafés
- 2 bars & pubs
- 10 parks
- 31 playgrounds
- 9 gyms & sports centres
- 2 libraries
- 2 post offices
- 41 places of worship
- 17 banks
- 25 gas stations
- 2 EV charging stations
- 6 police & fire stations
Places mapped inside this ZIP’s ZCTA area in OpenStreetMap. OSM is community-maintained: counts reflect what has been mapped, and completeness varies by area — treat them as at-least figures. © OpenStreetMap contributors (ODbL) · Methodology
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) · U.S. Census Bureau · NOAA NCEI · usda-phzm. Data generated on 2026-08-21. Methodology · Report an error on this page