Prefix overview
Phone numbers in prefix 301-358
This page covers the 301-358 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
301-358
RATE CENTER
WSNG236Z15
CARRIER
LEVEL 3 COMMUNICATIONS, LLC - MD
MD
Prefix range
The prefix 301-358 includes numbers from 3013580000 to 3013589999.
This range is associated with the WSNG236Z15 rate center and was originally assigned to LEVEL 3 COMMUNICATIONS, LLC - MD.
Numbers in this prefix
20 numbers