Prefix Information

The prefix 238 is part of area code 510 serving Oakland, California.

This exchange contains 10,000 possible phone numbers (510-238-0000 through 510-238-9999).

Browse Numbers in This Prefix

510-238-0000-0999 510-238-1000-1999 510-238-2000-2999 510-238-3000-3999 510-238-4000-4999 510-238-5000-5999 510-238-6000-6999 510-238-7000-7999 510-238-8000-8999 510-238-9000-9999

Sample Numbers

(510) 238-0000 (510) 238-1234 (510) 238-2000 (510) 238-3333 (510) 238-4444 (510) 238-5555 (510) 238-6000 (510) 238-7777 (510) 238-8888 (510) 238-9999