Prefix Information

The prefix 391 is part of area code 510 serving Oakland, California.

This exchange contains 10,000 possible phone numbers (510-391-0000 through 510-391-9999).

Browse Numbers in This Prefix

510-391-0000-0999 510-391-1000-1999 510-391-2000-2999 510-391-3000-3999 510-391-4000-4999 510-391-5000-5999 510-391-6000-6999 510-391-7000-7999 510-391-8000-8999 510-391-9000-9999

Sample Numbers

(510) 391-0000 (510) 391-1234 (510) 391-2000 (510) 391-3333 (510) 391-4444 (510) 391-5555 (510) 391-6000 (510) 391-7777 (510) 391-8888 (510) 391-9999