Prefix Information

The prefix 428 is part of area code 443 serving Baltimore, Maryland.

This exchange contains 10,000 possible phone numbers (443-428-0000 through 443-428-9999).

Browse Numbers in This Prefix

443-428-0000-0999 443-428-1000-1999 443-428-2000-2999 443-428-3000-3999 443-428-4000-4999 443-428-5000-5999 443-428-6000-6999 443-428-7000-7999 443-428-8000-8999 443-428-9000-9999

Sample Numbers

(443) 428-0000 (443) 428-1234 (443) 428-2000 (443) 428-3333 (443) 428-4444 (443) 428-5555 (443) 428-6000 (443) 428-7777 (443) 428-8888 (443) 428-9999