Prefix overview
Phone numbers in prefix 641-398
This page covers the 641-398 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
641-398
RATE CENTER
FLOYD
CARRIER
FARMERS MUTUAL TEL. CO. NORA SPRINGS
IA
Prefix range
The prefix 641-398 includes numbers from 6413980000 to 6413989999.
This range is associated with the FLOYD rate center and was originally assigned to FARMERS MUTUAL TEL. CO. NORA SPRINGS.
Numbers in this prefix
20 numbers