ZIP Code 03878: Somersworth, NH
County: Strafford County
Coordinates: 43.25250, -70.87560
ZIP Type: Standard
Time Zone: Eastern Time (ET)
This profile provides an in-depth look at ZIP code 03878, serving Somersworth in NH. It lies in Strafford County and supports delivery, planning, and address verification.
| Primary City | Somersworth |
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| ZIP Code | 03878 |
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| County | Strafford County |
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| State | NH |
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| Latitude / Longitude | 43.25250, -70.87560 |
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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 03878 (not an exact boundary).
Geographic & Administrative Context
For mapping and verification, 03878 is commonly represented around 43.25250, -70.87560. These coordinates help identify the general area within Strafford County, NH.
Local Coverage Notes
ZIP codes can cover multiple neighborhoods and unincorporated areas. Use ZIP 03878 for mail delivery and general location reference in
Strafford County,
NH.
Coverage may include nearby neighborhoods and adjacent unincorporated areas commonly associated with Somersworth.
Related ZIP Codes (Nearby)
Explore other postal codes near Somersworth within NH.
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Frequently Asked Questions
What is the primary city for ZIP code 03878?
The primary city for this ZIP code is Somersworth, located in NH.
In which county is 03878 located?
ZIP code 03878 is situated within Strafford County, NH.
What are the coordinates for 03878?
The approximate center point is 43.25250 (Latitude) and -70.87560 (Longitude).
Is ZIP code 03878 active?
This page lists ZIP 03878 as Listed based on the latest refresh date shown above.
Does ZIP 03878 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