323-904 Prefix — Fullerton, California

Phone numbers starting with 323-904 are based in Fullerton, California, primarily served by T-Mobile.

Recently looked-up numbers in 323-904

• 323-904-7643
• 323-904-5604

More about this region

Area code 323 directory · About area code 323 · Get a CA phone number

Last updated: March 29, 2026