Prefix overview
Phone numbers in prefix 870-400
This page covers the 870-400 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
870-400
RATE CENTER
W MEMPHIS
CARRIER
SOUTHWESTERN BELL
AR
Prefix range
The prefix 870-400 includes numbers from 8704000000 to 8704009999.
This range is associated with the W MEMPHIS rate center and was originally assigned to SOUTHWESTERN BELL.
Numbers in this prefix
20 numbers