St Mary Parish County Post Offices


Sponsored Listings:

119 Francis St
Amelia, Louisiana 70340

604 Main St
Baldwin, Louisiana 70514

101 Gilmore Dr
Berwick, Louisiana 70342

303 Senette St
Centerville, Louisiana 70522

2848 Chitimacha Trl
Charenton, Louisiana 70523

420 Willow St
Franklin, Louisiana 70538

1112 Brashear Ave
Morgan City, Louisiana 70380

St Mary Parish County

There are 7 US Post Offices in St Mary Parish County serving a total of 46,311 residents equating to 6,616 residents per post office. It's estimated that approximately 73,918 packages are handled across the 7 county post offices annually.


Post Offices by ZIP Code

  • 70523 - Charenton LA
  • 70342 - Berwick LA
  • 70514 - Baldwin LA
  • 70380 - Morgan City LA
  • 70538 - Franklin LA
  • 70340 - Amelia LA
  • 70522 - Centerville LA