North San Diego County Area Code

About the North San Diego County Area Code

Area code 442 serves North San Diego County, California and surrounding areas.

Key Information

• Region: North San Diego County
• State: California
• Timezone: Pacific
• Major Cities: Oceanside, Escondido

Look Up Numbers from North San Diego County

Use our reverse phone lookup service to identify callers from the North San Diego County area code. Find out who's calling you from North San Diego County.