Prefix Information

The prefix 143 is part of area code 301 serving Bethesda, Maryland.

This exchange contains 10,000 possible phone numbers (301-143-0000 through 301-143-9999).

Browse Numbers in This Prefix

301-143-0000-0999 301-143-1000-1999 301-143-2000-2999 301-143-3000-3999 301-143-4000-4999 301-143-5000-5999 301-143-6000-6999 301-143-7000-7999 301-143-8000-8999 301-143-9000-9999

Sample Numbers

(301) 143-0000 (301) 143-1234 (301) 143-2000 (301) 143-3333 (301) 143-4444 (301) 143-5555 (301) 143-6000 (301) 143-7777 (301) 143-8888 (301) 143-9999