Prefix overview
Phone numbers in prefix 412-399
This page covers the 412-399 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
412-399
RATE CENTER
PTTSBGZON5
CARRIER
LEVEL 3 COMMUNICATIONS, LLC - PA
PA
Prefix range
The prefix 412-399 includes numbers from 4123990000 to 4123999999.
This range is associated with the PTTSBGZON5 rate center and was originally assigned to LEVEL 3 COMMUNICATIONS, LLC - PA.
Numbers in this prefix
20 numbers