Prefix Information

The prefix 123 is part of area code 521 serving Unknown, Unknown.

This exchange contains 10,000 possible phone numbers (521-123-0000 through 521-123-9999).

Browse Numbers in This Prefix

521-123-0000-0999 521-123-1000-1999 521-123-2000-2999 521-123-3000-3999 521-123-4000-4999 521-123-5000-5999 521-123-6000-6999 521-123-7000-7999 521-123-8000-8999 521-123-9000-9999

Sample Numbers

(521) 123-0000 (521) 123-1234 (521) 123-2000 (521) 123-3333 (521) 123-4444 (521) 123-5555 (521) 123-6000 (521) 123-7777 (521) 123-8888 (521) 123-9999