Prefix Information
The prefix 423 is part of area code 972 serving Dallas, Texas.
This exchange contains 10,000 possible phone numbers (972-423-0000 through 972-423-9999).
Phone numbers with prefix 423 in area code 972. Location: Dallas, Texas.
The prefix 423 is part of area code 972 serving Dallas, Texas.
This exchange contains 10,000 possible phone numbers (972-423-0000 through 972-423-9999).