ZIP Code 12421: Denver, NY
County: Delaware
Coordinates: 42.25220, -74.54070
ZIP Type: Standard
Time Zone: Eastern Time (ET)
This profile provides an in-depth look at ZIP code 12421, serving Denver in NY. It lies in Delaware and supports delivery, planning, and address verification.
| Primary City | Denver |
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| ZIP Code | 12421 |
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| County | Delaware |
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| State | NY |
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| Latitude / Longitude | 42.25220, -74.54070 |
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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 12421 (not an exact boundary).
Geographic & Administrative Context
Coordinates for 12421 are listed as 42.25220 / -74.54070, useful for GPS and service checks in and around Denver, NY.
Local Coverage Notes
ZIP codes can cover multiple neighborhoods and unincorporated areas. Use ZIP 12421 for mail delivery and general location reference in
Delaware,
NY.
Some addresses near Denver may share this ZIP due to delivery routing and local service areas.
Related ZIP Codes (Nearby)
Explore other postal codes near Denver within NY.
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Frequently Asked Questions
What is the primary city for ZIP code 12421?
The primary city for this ZIP code is Denver, located in NY.
In which county is 12421 located?
ZIP code 12421 is situated within Delaware, NY.
What are the coordinates for 12421?
The approximate center point is 42.25220 (Latitude) and -74.54070 (Longitude).
Is ZIP code 12421 active?
This page lists ZIP 12421 as Listed based on the latest refresh date shown above.
Does ZIP 12421 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