US location post office
ZIP Code 17057
- Zip Code: 17057
- Type: Standard
- Official USPS city name: Middletown
- Official USPS State Code: PA
- Official State Name: Pennsylvania
- ZCTA: TRUE
- Population: 23029.0
- Density: 275.3
- Primary Official County Code: 42043
- Primary Official County Name: Dauphin
- Official County Name: Dauphin
- Official County Code: 42043
- Imprecise: FALSE
- Military: FALSE
- Timezone: America/New_York (10:26 AM Monday, May 12 2025-05-12 (GMT -0400))
- Geo Point: 40.19378, -76.72521
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