Prefix Information

The prefix 423 is part of area code 840 serving Unknown, Unknown.

This exchange contains 10,000 possible phone numbers (840-423-0000 through 840-423-9999).

Browse Numbers in This Prefix

840-423-0000-0999 840-423-1000-1999 840-423-2000-2999 840-423-3000-3999 840-423-4000-4999 840-423-5000-5999 840-423-6000-6999 840-423-7000-7999 840-423-8000-8999 840-423-9000-9999

Sample Numbers

(840) 423-0000 (840) 423-1234 (840) 423-2000 (840) 423-3333 (840) 423-4444 (840) 423-5555 (840) 423-6000 (840) 423-7777 (840) 423-8888 (840) 423-9999