Prefix overview
Phone numbers in prefix 515-378
This page covers the 515-378 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
515-378
RATE CENTER
THOR
CARRIER
WEBSTER-CALHOUN COOP. TEL. ASSN.
IA
Prefix range
The prefix 515-378 includes numbers from 5153780000 to 5153789999.
This range is associated with the THOR rate center and was originally assigned to WEBSTER-CALHOUN COOP. TEL. ASSN..
Numbers in this prefix
20 numbers