Prefix overview
Phone numbers in prefix 231-335
This page covers the 231-335 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
231-335
RATE CENTER
FREMONT
CARRIER
NEW CINGULAR WIRELESS PCS, LLC - IL
MI
Prefix range
The prefix 231-335 includes numbers from 2313350000 to 2313359999.
This range is associated with the FREMONT rate center and was originally assigned to NEW CINGULAR WIRELESS PCS, LLC - IL.
Numbers in this prefix
20 numbers