Prefix Information

The prefix 278 is part of area code 443 serving Baltimore, Maryland.

This exchange contains 10,000 possible phone numbers (443-278-0000 through 443-278-9999).

Browse Numbers in This Prefix

443-278-0000-0999 443-278-1000-1999 443-278-2000-2999 443-278-3000-3999 443-278-4000-4999 443-278-5000-5999 443-278-6000-6999 443-278-7000-7999 443-278-8000-8999 443-278-9000-9999

Sample Numbers

(443) 278-0000 (443) 278-1234 (443) 278-2000 (443) 278-3333 (443) 278-4444 (443) 278-5555 (443) 278-6000 (443) 278-7777 (443) 278-8888 (443) 278-9999