Prefix Information

The prefix 421 is part of area code 215 serving Philadelphia, Pennsylvania.

This exchange contains 10,000 possible phone numbers (215-421-0000 through 215-421-9999).

Browse Numbers in This Prefix

215-421-0000-0999 215-421-1000-1999 215-421-2000-2999 215-421-3000-3999 215-421-4000-4999 215-421-5000-5999 215-421-6000-6999 215-421-7000-7999 215-421-8000-8999 215-421-9000-9999

Sample Numbers

(215) 421-0000 (215) 421-1234 (215) 421-2000 (215) 421-3333 (215) 421-4444 (215) 421-5555 (215) 421-6000 (215) 421-7777 (215) 421-8888 (215) 421-9999