Prefix overview
Phone numbers in prefix 336-203
This page covers the 336-203 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
336-203
RATE CENTER
GREENSBORO
CARRIER
ONVOY, LLC - NC
NC
Prefix range
The prefix 336-203 includes numbers from 3362030000 to 3362039999.
This range is associated with the GREENSBORO rate center and was originally assigned to ONVOY, LLC - NC.
Numbers in this prefix
20 numbers