Prefix Information

The prefix 840 is part of area code 443 serving Baltimore, Maryland.

This exchange contains 10,000 possible phone numbers (443-840-0000 through 443-840-9999).

Browse Numbers in This Prefix

443-840-0000-0999 443-840-1000-1999 443-840-2000-2999 443-840-3000-3999 443-840-4000-4999 443-840-5000-5999 443-840-6000-6999 443-840-7000-7999 443-840-8000-8999 443-840-9000-9999

Sample Numbers

(443) 840-0000 (443) 840-1234 (443) 840-2000 (443) 840-3333 (443) 840-4444 (443) 840-5555 (443) 840-6000 (443) 840-7777 (443) 840-8888 (443) 840-9999