Prefix Information

The prefix 378 is part of area code 313 serving Detroit, Michigan.

This exchange contains 10,000 possible phone numbers (313-378-0000 through 313-378-9999).

Browse Numbers in This Prefix

313-378-0000-0999 313-378-1000-1999 313-378-2000-2999 313-378-3000-3999 313-378-4000-4999 313-378-5000-5999 313-378-6000-6999 313-378-7000-7999 313-378-8000-8999 313-378-9000-9999

Sample Numbers

(313) 378-0000 (313) 378-1234 (313) 378-2000 (313) 378-3333 (313) 378-4444 (313) 378-5555 (313) 378-6000 (313) 378-7777 (313) 378-8888 (313) 378-9999