Prefix Information

The prefix 721 is part of area code 623 serving Glendale, Arizona.

This exchange contains 10,000 possible phone numbers (623-721-0000 through 623-721-9999).

Browse Numbers in This Prefix

623-721-0000-0999 623-721-1000-1999 623-721-2000-2999 623-721-3000-3999 623-721-4000-4999 623-721-5000-5999 623-721-6000-6999 623-721-7000-7999 623-721-8000-8999 623-721-9000-9999

Sample Numbers

(623) 721-0000 (623) 721-1234 (623) 721-2000 (623) 721-3333 (623) 721-4444 (623) 721-5555 (623) 721-6000 (623) 721-7777 (623) 721-8888 (623) 721-9999