ZIP code · Garden City · Louisiana · United States
ZIP code 70540 — Garden City
ZIP code 70540 serves Garden City, Louisiana.
- Postal code
- 70540Single source Value from one source, not cross-checked.
- City
- Garden City
- County
- St. Mary
- State
- Louisiana
- Country
- United States
- Coordinates
- 29.7633, -91.4670 — 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
- 337 (from the nearest rate centre)Telephone 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 70540 with another ZIP · ZIPs within 25 miles · distance from 70540
Climate — monthly normals
Warmest month Aug (avg high 90°F), coldest Jan (avg low 44°F).
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Avg high °F | 63 | 67 | 72 | 78 | 84 | 88 | 90 | 90 | 87 | 80 | 72 | 65 |
| Avg low °F | 44 | 48 | 53 | 59 | 67 | 72 | 74 | 74 | 70 | 60 | 50 | 46 |
| Precip in | 5.6 | 4.0 | 4.0 | 4.7 | 4.7 | 7.6 | 8.0 | 7.6 | 5.6 | 4.3 | 4.2 | 4.9 |
NOAA 1991–2020 climate normals from the nearest station: FRANKLIN 3 NW (6.2 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