Prefix overview
Phone numbers in prefix 870-440
This page covers the 870-440 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
870-440
RATE CENTER
EL DORADO
CARRIER
T-MOBILE USA, INC.
AR
Prefix range
The prefix 870-440 includes numbers from 8704400000 to 8704409999.
This range is associated with the EL DORADO rate center and was originally assigned to T-MOBILE USA, INC..
Numbers in this prefix
20 numbers