Prefix overview
Phone numbers in prefix 319-379
This page covers the 319-379 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
319-379
RATE CENTER
IOWA CITY
CARRIER
HD CARRIER LLC
IA
Prefix range
The prefix 319-379 includes numbers from 3193790000 to 3193799999.
This range is associated with the IOWA CITY rate center and was originally assigned to HD CARRIER LLC.
Numbers in this prefix
20 numbers