ZIP code · Morgan City · Louisiana · United States
ZIP code 70381 — Morgan City
ZIP code 70381 serves Morgan City, Louisiana.
- Postal code
- 70381Single source Value from one source, not cross-checked.
- City
- Morgan City
- County
- St. Mary
- State
- Louisiana
- Country
- United States
- Coordinates
- 29.6946, -91.2593 — precision precise (locality)
View on OpenStreetMap - USDA hardiness zone
- 9b (25 to 30 °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
- 985Telephone 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 70381 with another ZIP · ZIPs within 25 miles · distance from 70381
Climate — monthly normals
Warmest month Jul (avg high 91°F), coldest Jan (avg low 45°F).
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Avg high °F | 63 | 67 | 72 | 78 | 84 | 89 | 91 | 90 | 88 | 81 | 72 | 66 |
| Avg low °F | 45 | 49 | 55 | 61 | 69 | 75 | 76 | 76 | 73 | 64 | 53 | 48 |
| Precip in | 5.0 | 3.3 | 3.9 | 4.0 | 4.5 | 7.0 | 6.2 | 7.3 | 5.4 | 4.0 | 3.9 | 4.0 |
NOAA 1991–2020 climate normals from the nearest station: MORGAN CITY (5.0 mi) · NOAA NCEI
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 · NOAA NCEI · usda-phzm. Data generated on 2026-08-21. Methodology · Report an error on this page