San Diego Area Code: All 4 Codes (619, 858, 760, 442) Guide (2026)

📅 2026-02-17 ⏱️ 14 min read ✍️ BubblyPhone Team

Complete guide to all San Diego area codes — 619, 858, 760, and 442. Learn which codes serve Greater San Diego, their history, time zone, and how to identify scam calls from San Diego numbers.

The San Diego area code is actually four codes: 619, 858, 760, and 442, serving roughly 3.4 million people in California's southernmost metro area. San Diego sits just 17 miles from the busiest international land border crossing on Earth, hosts more military personnel than any other metro in the United States, and has a zoo that exists because a doctor heard a lion roar from his car in 1916.

Quick Facts

State: California
City: San Diego (8th largest in US)
Area Codes: 619, 858, 760, 442
Time Zone: Pacific Time (PT)
Metro Population: ~3.4 million
Original Code: 619 (1982, split from 714)
Newest Code: 442 (2009)
Dialing: 10-digit mandatory

Is a San Diego Area Code a Scam?

San Diego area codes (619, 858, 760, 442) are legitimate codes serving approximately 3.4 million people. However, like all major metro areas, San Diego numbers are frequently spoofed by scammers. Use our Spam Number Checker to check suspicious numbers.

How to Call San Diego Internationally

Dial exit code + 1 + San Diego area code (619/858/760/442) + 7-digit number. On mobile: +1-619-XXX-XXXX. Use Best Time to Call for Pacific Time info. Look up any code with our Area Code Lookup. Check our rates.