Prefix Information

The prefix 540 is part of area code 443 serving Baltimore, Maryland.

This exchange contains 10,000 possible phone numbers (443-540-0000 through 443-540-9999).

Browse Numbers in This Prefix

443-540-0000-0999 443-540-1000-1999 443-540-2000-2999 443-540-3000-3999 443-540-4000-4999 443-540-5000-5999 443-540-6000-6999 443-540-7000-7999 443-540-8000-8999 443-540-9000-9999

Sample Numbers

(443) 540-0000 (443) 540-1234 (443) 540-2000 (443) 540-3333 (443) 540-4444 (443) 540-5555 (443) 540-6000 (443) 540-7777 (443) 540-8888 (443) 540-9999