Prefix overview
Phone numbers in prefix 231-354
This page covers the 231-354 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
231-354
RATE CENTER
CORAL
CARRIER
MICHIGAN BELL TEL CO
MI
Prefix range
The prefix 231-354 includes numbers from 2313540000 to 2313549999.
This range is associated with the CORAL rate center and was originally assigned to MICHIGAN BELL TEL CO.
Numbers in this prefix
20 numbers