Average GPS coordinates for Port Sulphur Postcode location: 29.47, -89.685. (Notice: some coordinates are "GEO located" from street addresses. These numbers may be inaccurate. With this map you can check the coordinates.). Port Sulphur on map:

---

Listing cities & postcodes (1):
>> Louisiana, 70083 Port Sulphur, Plaquemines, GPS coordinates: 29.47,-89.6848