In which county is ZIP code 17057 located?

ZIP 17057 is listed under Dauphin, PA.

When was this page updated?

This page was updated on 2026-01-08.

ZIP Code 17057: Middletown, PA

ZIP: 17057

County: Dauphin

Coordinates: 40.20410, -76.73310

ZIP Type: Standard

Time Zone: Eastern Time (ET)

Explore detailed information for ZIP code 17057 in Middletown, PA. We include verified county details for Dauphin plus key geographic references used for mapping and logistics.

Primary City	Middletown
ZIP Code	17057
County	Dauphin
State	PA
Latitude / Longitude	40.20410, -76.73310
ZIP Type	Standard
Time Zone	Eastern Time (ET)
Data Updated	2026-01-08

Maps & Useful Links

Open in Maps: Google Maps · OpenStreetMap

These links show the approximate center point for ZIP 17057 (not an exact boundary).

Geographic & Administrative Context

For mapping and verification, 17057 is commonly represented around 40.20410, -76.73310. These coordinates help identify the general area within Dauphin, PA.

Local Coverage Notes

ZIP codes can cover multiple neighborhoods and unincorporated areas. Use ZIP 17057 for mail delivery and general location reference in Dauphin, PA.

Some addresses near Middletown may share this ZIP due to delivery routing and local service areas.

Related ZIP Codes (Nearby)

Explore other postal codes near Middletown within PA.

Frequently Asked Questions

What is the primary city for ZIP code 17057?

The primary city for this ZIP code is Middletown, located in PA.

In which county is 17057 located?

ZIP code 17057 is situated within Dauphin, PA.

What are the coordinates for 17057?

The approximate center point is 40.20410 (Latitude) and -76.73310 (Longitude).

Is ZIP code 17057 active?

This page lists ZIP 17057 as Listed based on the latest refresh date shown above.

Does ZIP 17057 cover multiple areas?

Yes. Many ZIP codes cover multiple neighborhoods or nearby areas. For exact boundaries, use official mapping tools.

Methodology & Data Notes

How we build this page: We generate this page from a structured ZIP dataset and refresh key fields (city, county, and coordinates) during scheduled updates. Coordinates represent an approximate center point, not an official boundary map.
Sources: Public ZIP reference datasets and geographic coordinate references. If you use specific sources (e.g., USPS, Census), list them on your About/Methodology page.

Page updated: 2026-01-08