ZIP Code 20640: Indian Head, MD
County: Charles
Coordinates: 38.60010, -77.16220
ZIP Type: Standard
Time Zone: Eastern Time (ET)
This profile provides an in-depth look at ZIP code 20640, serving Indian Head in MD. It lies in Charles and supports delivery, planning, and address verification.
| Primary City | Indian Head |
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| ZIP Code | 20640 |
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| County | Charles |
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| State | MD |
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| Latitude / Longitude | 38.60010, -77.16220 |
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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 20640 (not an exact boundary).
Geographic & Administrative Context
Coordinates for 20640 are listed as 38.60010 / -77.16220, useful for GPS and service checks in and around Indian Head, MD.
Local Coverage Notes
ZIP codes can cover multiple neighborhoods and unincorporated areas. Use ZIP 20640 for mail delivery and general location reference in
Charles,
MD.
This ZIP may extend beyond the city core into nearby communities within Charles.
Related ZIP Codes (Nearby)
Explore other postal codes near Indian Head within MD.
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Frequently Asked Questions
What is the primary city for ZIP code 20640?
The primary city for this ZIP code is Indian Head, located in MD.
In which county is 20640 located?
ZIP code 20640 is situated within Charles, MD.
What are the coordinates for 20640?
The approximate center point is 38.60010 (Latitude) and -77.16220 (Longitude).
Is ZIP code 20640 active?
This page lists ZIP 20640 as Listed based on the latest refresh date shown above.
Does ZIP 20640 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