Prefix overview
Phone numbers in prefix 575-421
This page covers the 575-421 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
575-421
RATE CENTER
EL VALLE
CARRIER
E.N.M.R. TEL COOP
NM
Prefix range
The prefix 575-421 includes numbers from 5754210000 to 5754219999.
This range is associated with the EL VALLE rate center and was originally assigned to E.N.M.R. TEL COOP.
Numbers in this prefix
20 numbers