Prefix Information

The prefix 543 is part of area code 443 serving Baltimore, Maryland.

This exchange contains 10,000 possible phone numbers (443-543-0000 through 443-543-9999).

Browse Numbers in This Prefix

443-543-0000-0999 443-543-1000-1999 443-543-2000-2999 443-543-3000-3999 443-543-4000-4999 443-543-5000-5999 443-543-6000-6999 443-543-7000-7999 443-543-8000-8999 443-543-9000-9999

Sample Numbers

(443) 543-0000 (443) 543-1234 (443) 543-2000 (443) 543-3333 (443) 543-4444 (443) 543-5555 (443) 543-6000 (443) 543-7777 (443) 543-8888 (443) 543-9999