213-657 Prefix — Fullerton, California

Phone numbers starting with 213-657 are based in Fullerton, California, primarily served by T-Mobile.

Recently looked-up numbers in 213-657

• 213-657-3273
• 213-657-1976
• 213-657-3191

More about this region

Area code 213 directory · About area code 213 · Get a CA phone number

Last updated: April 3, 2026