area code 760

Fri, 08 May 2026 21:57:14 +0000

# Explore Area Code 760: The Heart of San Diego’s Telecommunications Network If you’ve ever seen area code 760 while receiving a call from Southern California, you’re already familiar with its quiet but vital role in connecting residences, businesses, and services across San Diego County. As one of the oldest area codes in the region—originally introduced in 1994—area code 760 serves a thriving area known for its vibrant culture, thriving tech scene, and beautiful coastal vistas. In this SEO-rich article, we’ll dive deep into everything you need to know about area code 760, including its geographic reach, history, popular cities, and tips for businesses and residents. ## What is Area Code 760? Area code 760 covers a significant portion of San Diego County, spanning diverse communities from coastal enclaves like La Jolla and Cardiff-by-the-Sea to inland areas such as El Cajon and Rancho Bernardo. Officially established in 1994, 760 replaced area code 858 in parts of San Diego and was created to accommodate growing population and telecommunications demand.