Prefix Information

The prefix 203 is part of area code 310 serving Santa Monica, California.

This exchange contains 10,000 possible phone numbers (310-203-0000 through 310-203-9999).

Browse Numbers in This Prefix

310-203-0000-0999 310-203-1000-1999 310-203-2000-2999 310-203-3000-3999 310-203-4000-4999 310-203-5000-5999 310-203-6000-6999 310-203-7000-7999 310-203-8000-8999 310-203-9000-9999

Sample Numbers

(310) 203-0000 (310) 203-1234 (310) 203-2000 (310) 203-3333 (310) 203-4444 (310) 203-5555 (310) 203-6000 (310) 203-7777 (310) 203-8888 (310) 203-9999