Assumption Parish, Louisiana ZIP Codes

7 ZIP Codes

Zip Code
City
Population ↓
70380Morgan City20,529
70390Napoleonville7,160
70339Pierre Part4,848
70341Belle Rose3,690
70372Labadieville1,968
70393Plattenville117
70391Paincourtville0

Overview of ZIP Codes in Assumption Parish

ZCTAs are geographic areas created by the US Census Bureau to approximate the delivery areas of ZIP Codes for statistical analysis. While ZCTAs use the same five-digit codes as ZIP Codes, they represent defined geographic areas that may not exactly match the mail delivery routes of ZIP Codes.
7
ZIP Codes

The data shown reflect ZCTAs from the US Census. As of 2025, there are 7 ZCTAs in Assumption Parish, Louisiana (US Census).

Sources

  1. US Census: 2025 Gazetteer Files
  2. US Census: ZIP Code Tabulation Areas (ZCTAs)

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