Find the last 4 digits (ZIP+4) for an address in 95521

ZIP 95521, Arcata, CA is filled in. Just type the street address.

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ZIP Code 95521 – Arcata, CA

Arcata, California · Humboldt County · Pacific time

ZIP code95521
CityArcata
StateCalifornia
CountyHumboldt County
Population21,980
Time zonePacific · local time
ZIP typeStandard (has a Census ZCTA area)
Land area60.36 sq mi
Center (lat, long)40.8434, -124.0453

Area codes in this area

707369

These are the area codes that most often serve ZIP 95521 (including overlays). The exact area code depends on the phone number — landlines, mobiles and overlays can differ even on the same street.

Map

Nearby ZIP codes

95524 Bayside · 1.6 mi95518 Arcata · 2.7 mi95501 Eureka · 5.9 mi95502 Eureka · 7.4 mi95534 Cutten · 7.4 mi95503 Eureka · 7.9 mi95519 Mckinleyville · 8.3 mi95564 Samoa · 9.1 mi

About ZIP 95521

ZIP code 95521 is assigned to Arcata, California. It lies in Humboldt County. Its Census area covers about 60.36 square miles of land. The closest neighboring ZIP is 95524 (Bayside), about 1.6 miles away.

Every address in 95521 also has a 4-digit add-on code (ZIP+4) that points to a smaller delivery area. Use the box above to find it.

Sources: US Census Bureau (ZCTA, county relationship files), GeoNames (CC BY 4.0), NANPA via NumberResearch.org (CC BY 4.0). Map © OpenStreetMap contributors. ZIP areas are approximate. Population: U.S. Census Bureau, ACS 5-year estimates, 2024 (ZCTA). Data sources