Prefix Information

The prefix 309 is part of area code 443 serving Baltimore, Maryland.

This exchange contains 10,000 possible phone numbers (443-309-0000 through 443-309-9999).

Browse Numbers in This Prefix

443-309-0000-0999 443-309-1000-1999 443-309-2000-2999 443-309-3000-3999 443-309-4000-4999 443-309-5000-5999 443-309-6000-6999 443-309-7000-7999 443-309-8000-8999 443-309-9000-9999

Sample Numbers

(443) 309-0000 (443) 309-1234 (443) 309-2000 (443) 309-3333 (443) 309-4444 (443) 309-5555 (443) 309-6000 (443) 309-7777 (443) 309-8888 (443) 309-9999