Prefix overview
Phone numbers in prefix 231-210
This page covers the 231-210 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
231-210
RATE CENTER
ST JAMES
CARRIER
ONVOY, LLCV - MI
MI
Prefix range
The prefix 231-210 includes numbers from 2312100000 to 2312109999.
This range is associated with the ST JAMES rate center and was originally assigned to ONVOY, LLCV - MI.
Numbers in this prefix
20 numbers