Prefix overview
Phone numbers in prefix 319-423
This page covers the 319-423 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
319-423
RATE CENTER
CEDAR RPDS
CARRIER
TELEPORT COMMUNICATIONS AMERICA, LLC - IA
IA
Prefix range
The prefix 319-423 includes numbers from 3194230000 to 3194239999.
This range is associated with the CEDAR RPDS rate center and was originally assigned to TELEPORT COMMUNICATIONS AMERICA, LLC - IA.
Numbers in this prefix
20 numbers