Prefix overview
Phone numbers in prefix 401-257
This page covers the 401-257 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
401-257
RATE CENTER
CUMBLND HL
CARRIER
PAETEC ITEL, LLC
RI
Prefix range
The prefix 401-257 includes numbers from 4012570000 to 4012579999.
This range is associated with the CUMBLND HL rate center and was originally assigned to PAETEC ITEL, LLC.
Numbers in this prefix
20 numbers