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About 820 Area Code

Located in: California

Major Cities: Oxnard, Camarillo, Los alamos, Guadalupe, Parkfield, Gaviota, Piru, Cayucos, Bradley

Major Carriers: , Advanced Telecom Solutions, LLC, Shelcomm, FRACTEL, LLC, Onvoy, LLC, Onvoy/5 - Sybase365, Bandwidth/RingCentral Messaging - Sybase365, TextNow - 360 Networks - SVR, T-Mobile USA, Inc., Bandwidth/13 - Bandwidth.com - SVR, Peerless Network

Prefixes in Area Code 820

820-201OXNARD

820-222CAMARILLO

820-280LOS ALAMOS

820-300GUADALUPE

820-400PARKFIELD

820-500GAVIOTA

820-529PIRU

820-800CAYUCOS

820-900BRADLEY

820-999OXNARD