ZIP Code 17840: Locust Gap, PA
County: Northumberland
Coordinates: 40.77270, -76.43830
ZIP Type: Standard
Time Zone: Eastern Time (ET)
Get a reliable snapshot of the Locust Gap, PA postal area 17840. This page summarizes county, coordinates, and local facts to help with services and location research.
| Primary City | Locust Gap |
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| ZIP Code | 17840 |
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| County | Northumberland |
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| State | PA |
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| Latitude / Longitude | 40.77270, -76.43830 |
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| ZIP Type | Standard |
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| Time Zone | Eastern Time (ET) |
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| Data Updated | 2026-01-08 |
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Maps & Useful Links
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These links show the approximate center point for ZIP 17840 (not an exact boundary).
Geographic & Administrative Context
The geographic center of ZIP code 17840 is approximately 40.77270 (latitude) and -76.43830 (longitude). This location sits within Northumberland, contributing to regional planning across PA.
Local Coverage Notes
ZIP codes can cover multiple neighborhoods and unincorporated areas. Use ZIP 17840 for mail delivery and general location reference in
Northumberland,
PA.
Coverage may include nearby neighborhoods and adjacent unincorporated areas commonly associated with Locust Gap.
Related ZIP Codes (Nearby)
Explore other postal codes near Locust Gap within PA.
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Frequently Asked Questions
What is the primary city for ZIP code 17840?
The primary city for this ZIP code is Locust Gap, located in PA.
In which county is 17840 located?
ZIP code 17840 is situated within Northumberland, PA.
What are the coordinates for 17840?
The approximate center point is 40.77270 (Latitude) and -76.43830 (Longitude).
Is ZIP code 17840 active?
This page lists ZIP 17840 as Listed based on the latest refresh date shown above.
Does ZIP 17840 cover multiple areas?
Yes. Many ZIP codes cover multiple neighborhoods or nearby areas. For exact boundaries, use official mapping tools.
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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