Prefix Information

The prefix 811 is part of area code 443 serving Baltimore, Maryland.

This exchange contains 10,000 possible phone numbers (443-811-0000 through 443-811-9999).

Browse Numbers in This Prefix

443-811-0000-0999 443-811-1000-1999 443-811-2000-2999 443-811-3000-3999 443-811-4000-4999 443-811-5000-5999 443-811-6000-6999 443-811-7000-7999 443-811-8000-8999 443-811-9000-9999

Sample Numbers

(443) 811-0000 (443) 811-1234 (443) 811-2000 (443) 811-3333 (443) 811-4444 (443) 811-5555 (443) 811-6000 (443) 811-7777 (443) 811-8888 (443) 811-9999