Prefix Information

The prefix 123 is part of area code 510 serving Oakland, California.

This exchange contains 10,000 possible phone numbers (510-123-0000 through 510-123-9999).

Browse Numbers in This Prefix

510-123-0000-0999 510-123-1000-1999 510-123-2000-2999 510-123-3000-3999 510-123-4000-4999 510-123-5000-5999 510-123-6000-6999 510-123-7000-7999 510-123-8000-8999 510-123-9000-9999

Sample Numbers

(510) 123-0000 (510) 123-1234 (510) 123-2000 (510) 123-3333 (510) 123-4444 (510) 123-5555 (510) 123-6000 (510) 123-7777 (510) 123-8888 (510) 123-9999