Prefix Information

The prefix 100 is part of area code 443 serving Baltimore, Maryland.

This exchange contains 10,000 possible phone numbers (443-100-0000 through 443-100-9999).

Browse Numbers in This Prefix

443-100-0000-0999 443-100-1000-1999 443-100-2000-2999 443-100-3000-3999 443-100-4000-4999 443-100-5000-5999 443-100-6000-6999 443-100-7000-7999 443-100-8000-8999 443-100-9000-9999

Sample Numbers

(443) 100-0000 (443) 100-1234 (443) 100-2000 (443) 100-3333 (443) 100-4444 (443) 100-5555 (443) 100-6000 (443) 100-7777 (443) 100-8888 (443) 100-9999