Prefix Information

The prefix 856 is part of area code 510 serving Oakland, California.

This exchange contains 10,000 possible phone numbers (510-856-0000 through 510-856-9999).

Browse Numbers in This Prefix

510-856-0000-0999 510-856-1000-1999 510-856-2000-2999 510-856-3000-3999 510-856-4000-4999 510-856-5000-5999 510-856-6000-6999 510-856-7000-7999 510-856-8000-8999 510-856-9000-9999

Sample Numbers

(510) 856-0000 (510) 856-1234 (510) 856-2000 (510) 856-3333 (510) 856-4444 (510) 856-5555 (510) 856-6000 (510) 856-7777 (510) 856-8888 (510) 856-9999