ZIP Code 17121
Harrisburg · Dauphin, Pennsylvania
17121 is the ZIP code of Harrisburg in Dauphin, Pennsylvania, United States.
- ZIP Code
- 17121
- County
- Dauphin
- State
- Pennsylvania
- Country
- United States
Place with ZIP code 17121
| Place | County | Location |
|---|---|---|
| Harrisburg | Dauphin | 40.294, -76.894 |
Near Baltimore
The nearest major city is Baltimore, about 114 km away.
Nearby ZIP codes
Frequently asked questions
Which places use ZIP code 17121?
Harrisburg.
Which county and state is 17121 in?
Dauphin, Pennsylvania, United States.
What is the nearest major city to 17121?
Baltimore, about 114 km away.
Source: GeoNames postal codes (CC BY 4.0), geonames.org, retrieved 2026-10-22. Place coordinates are approximate. Check with the national postal service before sending anything valuable.