Federal Square Post Office
Downtown, in the historic Federal Building at 3rd & Walnut.
Harrisburg Post Offices, ZIP Codes & Mail Help
USPS locations with Harrisburg addresses, a ZIP code guide, and online tools for address changes, mail holds, and passports.
Photo: Historic American Buildings Survey, Library of Congress · Public domain
Always check hours on USPS.com. Post office addresses and phone numbers below come from public USPS listings. Window and lobby hours vary by location and change around holidays, so confirm with the USPS location finder.
LocationsPost offices in Harrisburg
Harrisburg Main Post Office
The main Harrisburg postal facility, with retail service.
ZIP codes
Harrisburg ZIP code guide
ZIP boundaries don't match neighborhood or municipal lines. For an exact address, use the USPS ZIP lookup.
| ZIP | General area |
|---|---|
| 17101 | Downtown / Capitol area |
| 17102 | Midtown & Uptown (south) |
| 17103 | Allison Hill (north) / Reservoir Park area |
| 17104 | South Harrisburg, Allison Hill (south), Shipoke, Bellevue Park |
| 17105–17108 | PO boxes and unique addresses |
| 17109 | Lower Paxton / Colonial Park area |
| 17110 | Uptown (north), Susquehanna Township, Fort Hunter |
| 17111 | Swatara / Paxtang area |
| 17112 | Lower Paxton / Linglestown |
| 17120 | Pennsylvania state government |
The Federal Building at Third and Walnut Streets houses the downtown Federal Square post office.
Online
USPS tools
Change your address
The official USPS change-of-address form. Beware of look-alike sites that charge extra fees.
Passports
Many post offices take passport applications by appointment. Check which Harrisburg locations offer it on USPS.com.