Prefix Information

The prefix 439 is part of area code 443 serving Baltimore, Maryland.

This exchange contains 10,000 possible phone numbers (443-439-0000 through 443-439-9999).

Browse Numbers in This Prefix

443-439-0000-0999 443-439-1000-1999 443-439-2000-2999 443-439-3000-3999 443-439-4000-4999 443-439-5000-5999 443-439-6000-6999 443-439-7000-7999 443-439-8000-8999 443-439-9000-9999

Sample Numbers

(443) 439-0000 (443) 439-1234 (443) 439-2000 (443) 439-3333 (443) 439-4444 (443) 439-5555 (443) 439-6000 (443) 439-7777 (443) 439-8888 (443) 439-9999