Prefix Information

The prefix 666 is part of area code 443 serving Baltimore, Maryland.

This exchange contains 10,000 possible phone numbers (443-666-0000 through 443-666-9999).

Browse Numbers in This Prefix

443-666-0000-0999 443-666-1000-1999 443-666-2000-2999 443-666-3000-3999 443-666-4000-4999 443-666-5000-5999 443-666-6000-6999 443-666-7000-7999 443-666-8000-8999 443-666-9000-9999

Sample Numbers

(443) 666-0000 (443) 666-1234 (443) 666-2000 (443) 666-3333 (443) 666-4444 (443) 666-5555 (443) 666-6000 (443) 666-7777 (443) 666-8888 (443) 666-9999