951-203 Prefix — Riverside, California

Phone numbers starting with 951-203 are based in Riverside, California, primarily served by Verizon.

Recently looked-up numbers in 951-203

• 951-203-2737
• 951-203-9727
• 951-203-3727

More about this region

Area code 951 directory · About area code 951 · Get a CA phone number

Last updated: March 24, 2026