Prefix Information

The prefix 440 is part of area code 628 serving San Francisco, California.

This exchange contains 10,000 possible phone numbers (628-440-0000 through 628-440-9999).

Browse Numbers in This Prefix

628-440-0000-0999 628-440-1000-1999 628-440-2000-2999 628-440-3000-3999 628-440-4000-4999 628-440-5000-5999 628-440-6000-6999 628-440-7000-7999 628-440-8000-8999 628-440-9000-9999

Sample Numbers

(628) 440-0000 (628) 440-1234 (628) 440-2000 (628) 440-3333 (628) 440-4444 (628) 440-5555 (628) 440-6000 (628) 440-7777 (628) 440-8888 (628) 440-9999