Prefix overview
Phone numbers in prefix 641-551
This page covers the 641-551 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
641-551
RATE CENTER
NEW HAVEN
CARRIER
FARMERS TEL. CO.
IA
Prefix range
The prefix 641-551 includes numbers from 6415510000 to 6415519999.
This range is associated with the NEW HAVEN rate center and was originally assigned to FARMERS TEL. CO..
Numbers in this prefix
20 numbers