Prefix overview
Phone numbers in prefix 641-377
This page covers the 641-377 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
641-377
RATE CENTER
COLO
CARRIER
COLO TEL. CO.
IA
Prefix range
The prefix 641-377 includes numbers from 6413770000 to 6413779999.
This range is associated with the COLO rate center and was originally assigned to COLO TEL. CO..
Numbers in this prefix
20 numbers