Prefix Information

The prefix 644 is part of area code 310 serving Santa Monica, California.

This exchange contains 10,000 possible phone numbers (310-644-0000 through 310-644-9999).

Browse Numbers in This Prefix

310-644-0000-0999 310-644-1000-1999 310-644-2000-2999 310-644-3000-3999 310-644-4000-4999 310-644-5000-5999 310-644-6000-6999 310-644-7000-7999 310-644-8000-8999 310-644-9000-9999

Sample Numbers

(310) 644-0000 (310) 644-1234 (310) 644-2000 (310) 644-3333 (310) 644-4444 (310) 644-5555 (310) 644-6000 (310) 644-7777 (310) 644-8888 (310) 644-9999