Prefix Information

The prefix 231 is part of area code 215 serving Philadelphia, Pennsylvania.

This exchange contains 10,000 possible phone numbers (215-231-0000 through 215-231-9999).

Browse Numbers in This Prefix

215-231-0000-0999 215-231-1000-1999 215-231-2000-2999 215-231-3000-3999 215-231-4000-4999 215-231-5000-5999 215-231-6000-6999 215-231-7000-7999 215-231-8000-8999 215-231-9000-9999

Sample Numbers

(215) 231-0000 (215) 231-1234 (215) 231-2000 (215) 231-3333 (215) 231-4444 (215) 231-5555 (215) 231-6000 (215) 231-7777 (215) 231-8888 (215) 231-9999