ZIP Code 95521: Arcata, CA
County: Humboldt
Coordinates: 40.87420, -124.07650
ZIP Type: Standard
Time Zone: Pacific Time (PT)
Explore detailed information for ZIP code 95521 in Arcata, CA. We include verified county details for Humboldt plus key geographic references used for mapping and logistics.
| Primary City | Arcata |
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| ZIP Code | 95521 |
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| County | Humboldt |
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| State | CA |
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| Latitude / Longitude | 40.87420, -124.07650 |
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| ZIP Type | Standard |
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| Time Zone | Pacific Time (PT) |
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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 95521 (not an exact boundary).
Geographic & Administrative Context
The geographic center of ZIP code 95521 is approximately 40.87420 (latitude) and -124.07650 (longitude). This location sits within Humboldt, contributing to regional planning across CA.
Local Coverage Notes
ZIP codes can cover multiple neighborhoods and unincorporated areas. Use ZIP 95521 for mail delivery and general location reference in
Humboldt,
CA.
This ZIP may extend beyond the city core into nearby communities within Humboldt.
Related ZIP Codes (Nearby)
Explore other postal codes near Arcata within CA.
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Frequently Asked Questions
What is the primary city for ZIP code 95521?
The primary city for this ZIP code is Arcata, located in CA.
In which county is 95521 located?
ZIP code 95521 is situated within Humboldt, CA.
What are the coordinates for 95521?
The approximate center point is 40.87420 (Latitude) and -124.07650 (Longitude).
Is ZIP code 95521 active?
This page lists ZIP 95521 as Listed based on the latest refresh date shown above.
Does ZIP 95521 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