Prefix Information

The prefix 040 is part of area code 510 serving Oakland, California.

This exchange contains 10,000 possible phone numbers (510-040-0000 through 510-040-9999).

Browse Numbers in This Prefix

510-040-0000-0999 510-040-1000-1999 510-040-2000-2999 510-040-3000-3999 510-040-4000-4999 510-040-5000-5999 510-040-6000-6999 510-040-7000-7999 510-040-8000-8999 510-040-9000-9999

Sample Numbers

(510) 040-0000 (510) 040-1234 (510) 040-2000 (510) 040-3333 (510) 040-4444 (510) 040-5555 (510) 040-6000 (510) 040-7777 (510) 040-8888 (510) 040-9999