Prefix overview
Phone numbers in prefix 731-200
This page covers the 731-200 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
731-200
RATE CENTER
TRENTON
CARRIER
ONVOY, LLC - TN
TN
Prefix range
The prefix 731-200 includes numbers from 7312000000 to 7312009999.
This range is associated with the TRENTON rate center and was originally assigned to ONVOY, LLC - TN.
Numbers in this prefix
20 numbers