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ZIP Code 04864 – Warren, ME

Warren, Maine · Knox County · Eastern time

ZIP code04864
CityWarren
StateMaine
CountyKnox County
Area code207
Population4,932
Time zoneEastern · local time
ZIP typeStandard (has a Census ZCTA area)
Land area46.47 sq mi
Center (lat, long)44.1280, -69.2439

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Nearby ZIP codes

04861 Thomaston · 3.9 mi04841 Rockland · 5.5 mi04572 Waldoboro · 6.9 mi04856 Rockport · 7 mi04858 South Thomaston · 7.2 mi04865 West Rockport · 7.5 mi04563 Cushing · 7.9 mi04847 Hope · 8.3 mi

About ZIP 04864

ZIP code 04864 is assigned to Warren, Maine. It lies in Knox County. Its Census area covers about 46.47 square miles of land. The closest neighboring ZIP is 04861 (Thomaston), about 3.9 miles away.

Every address in 04864 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