Prefix Information

The prefix 403 is part of area code 313 serving Detroit, Michigan.

This exchange contains 10,000 possible phone numbers (313-403-0000 through 313-403-9999).

Browse Numbers in This Prefix

313-403-0000-0999 313-403-1000-1999 313-403-2000-2999 313-403-3000-3999 313-403-4000-4999 313-403-5000-5999 313-403-6000-6999 313-403-7000-7999 313-403-8000-8999 313-403-9000-9999

Sample Numbers

(313) 403-0000 (313) 403-1234 (313) 403-2000 (313) 403-3333 (313) 403-4444 (313) 403-5555 (313) 403-6000 (313) 403-7777 (313) 403-8888 (313) 403-9999