Prefix overview
Phone numbers in prefix 641-440
This page covers the 641-440 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
641-440
RATE CENTER
CLEAR LAKE
CARRIER
MCC TELEPHONY OF IOWA, LLC - IA
IA
Prefix range
The prefix 641-440 includes numbers from 6414400000 to 6414409999.
This range is associated with the CLEAR LAKE rate center and was originally assigned to MCC TELEPHONY OF IOWA, LLC - IA.
Numbers in this prefix
20 numbers