Prefix overview
Phone numbers in prefix 336-423
This page covers the 336-423 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
336-423
RATE CENTER
KERNERSVL
CARRIER
LEVEL 3 TELECOM OF NORTH CAROLINA, LP - NC
NC
Prefix range
The prefix 336-423 includes numbers from 3364230000 to 3364239999.
This range is associated with the KERNERSVL rate center and was originally assigned to LEVEL 3 TELECOM OF NORTH CAROLINA, LP - NC.
Numbers in this prefix
20 numbers