St. Mary Parish, Louisiana ZIP codes
10ZIP codes
9Cities and towns
48,658People in ZIP areas
337, 985Area codes
St. Mary Parish is in Louisiana and the Central Time zone. ZIP codes don’t follow county lines exactly, so a ZIP code listed here can reach into a neighboring county.
All ZIP codes in St. Mary Parish
| ZIP code | City | Type | Population | Median income |
|---|---|---|---|---|
| 70340 | Amelia | PO Box only | – | – |
| 70342 | Berwick | Standard | 4,607 | $51,580 |
| 70380 | Morgan City | Standard | 20,529 | $54,595 |
| 70381 | Morgan City | PO Box only | – | – |
| 70392 | Patterson | Standard | 8,173 | $57,959 |
| 70514 | Baldwin | Standard | 1,914 | $31,817 |
| 70522 | Centerville | PO Box only | 495 | $26,321 |
| 70523 | Charenton | PO Box only | 476 | $63,408 |
| 70538 | Franklin | Standard | 12,464 | $52,407 |
| 70540 | Garden City | PO Box only | – | – |
Cities and towns in St. Mary Parish
- Morgan City 2 ZIPs
- Amelia 1 ZIP
- Baldwin 1 ZIP
- Berwick 1 ZIP
- Centerville 1 ZIP
- Charenton 1 ZIP
- Franklin 1 ZIP
- Garden City 1 ZIP
- Patterson 1 ZIP
Area codes in St. Mary Parish
Questions
- How many ZIP codes are in St. Mary Parish, LA?
- St. Mary Parish has 10 ZIP codes, 5 of them standard ZIP codes for street addresses.
- What cities are in St. Mary Parish?
- St. Mary Parish ZIP codes cover Morgan City, Amelia, Baldwin, Berwick, Centerville, Charenton, Franklin and Garden City and 1 other places.
- What area code is St. Mary Parish, LA?
- St. Mary Parish uses area codes 337 and 985.
- What time zone is St. Mary Parish in?
- St. Mary Parish is in Central Time.
Other Louisiana counties
- Acadia Parish
- Allen Parish
- Ascension Parish
- Assumption Parish
- Avoyelles Parish
- Beauregard Parish
- Bienville Parish
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- Natchitoches Parish
- Orleans Parish
- Ouachita Parish
- Plaquemines Parish
- Pointe Coupee Parish
- Rapides Parish
- Red River Parish
- Richland Parish
- Sabine Parish
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- St. Helena Parish
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- St. John the Baptist Parish
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- West Feliciana Parish
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