ZIP Code 17866: Coal Township, PA
County: Northumberland
Coordinates: 40.79170, -76.55190
ZIP Type: Standard
Time Zone: Eastern Time (ET)
This profile provides an in-depth look at ZIP code 17866, serving Coal Township in PA. It lies in Northumberland and supports delivery, planning, and address verification.
| Primary City | Coal Township |
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| ZIP Code | 17866 |
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| County | Northumberland |
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| State | PA |
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| Latitude / Longitude | 40.79170, -76.55190 |
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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 17866 (not an exact boundary).
Geographic & Administrative Context
The geographic center of ZIP code 17866 is approximately 40.79170 (latitude) and -76.55190 (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 17866 for mail delivery and general location reference in
Northumberland,
PA.
This ZIP may extend beyond the city core into nearby communities within Northumberland.
Related ZIP Codes (Nearby)
Explore other postal codes near Coal Township within PA.
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Frequently Asked Questions
What is the primary city for ZIP code 17866?
The primary city for this ZIP code is Coal Township, located in PA.
In which county is 17866 located?
ZIP code 17866 is situated within Northumberland, PA.
What are the coordinates for 17866?
The approximate center point is 40.79170 (Latitude) and -76.55190 (Longitude).
Is ZIP code 17866 active?
This page lists ZIP 17866 as Listed based on the latest refresh date shown above.
Does ZIP 17866 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