Prefix overview
Phone numbers in prefix 703-423
This page covers the 703-423 prefix in the United States. It shows where numbers come from, which carrier is linked to the range, and how this block is structured.
If you are looking for a specific number, you can continue to its dedicated phone page. Otherwise, this page helps you understand the broader number block behind it.
PREFIX
703-423
RATE CENTER
DULLES
CARRIER
TELEPORT COMMUNICATIONS AMERICA, LLC - DC
VA
Prefix range
The prefix 703-423 includes numbers from 7034230000 to 7034239999.
This range is associated with the DULLES rate center and was originally assigned to TELEPORT COMMUNICATIONS AMERICA, LLC - DC.
Numbers in this prefix
20 numbers