Prefix overview
Phone numbers in prefix 319-421
This page covers the 319-421 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
319-421
RATE CENTER
SHELL ROCK
CARRIER
MCC TELEPHONY LLC
IA
Prefix range
The prefix 319-421 includes numbers from 3194210000 to 3194219999.
This range is associated with the SHELL ROCK rate center and was originally assigned to MCC TELEPHONY LLC.
Numbers in this prefix
20 numbers