US location post office
ZIP Code 83321
- Zip Code: 83321
- Type: Standard
- Official USPS city name: Castleford
- Official USPS State Code: ID
- Official State Name: Idaho
- ZCTA: TRUE
- Population: 474.0
- Density: 2.1
- Primary Official County Code: 16083
- Primary Official County Name: Twin Falls
- Official County Name: Twin Falls
- Official County Code: 16083
- Imprecise: FALSE
- Military: FALSE
- Timezone: America/Boise (14:41 PM Thursday, May 16 2024-05-16 (GMT -0600))
- Geo Point: 42.46494, -114.91335
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