Prefix Information

The prefix 231 is part of area code 484 serving Allentown, Pennsylvania.

This exchange contains 10,000 possible phone numbers (484-231-0000 through 484-231-9999).

Browse Numbers in This Prefix

484-231-0000-0999 484-231-1000-1999 484-231-2000-2999 484-231-3000-3999 484-231-4000-4999 484-231-5000-5999 484-231-6000-6999 484-231-7000-7999 484-231-8000-8999 484-231-9000-9999

Sample Numbers

(484) 231-0000 (484) 231-1234 (484) 231-2000 (484) 231-3333 (484) 231-4444 (484) 231-5555 (484) 231-6000 (484) 231-7777 (484) 231-8888 (484) 231-9999