Prefix overview
Phone numbers in prefix 641-450
This page covers the 641-450 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
641-450
RATE CENTER
MASON CITY
CARRIER
NORTHLAND COMMUNICATIONS, INC. - IA
IA
Prefix range
The prefix 641-450 includes numbers from 6414500000 to 6414509999.
This range is associated with the MASON CITY rate center and was originally assigned to NORTHLAND COMMUNICATIONS, INC. - IA.
Numbers in this prefix
20 numbers