Prefix overview
Phone numbers in prefix 301-338
This page covers the 301-338 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
301-338
RATE CENTER
CUMBERLAND
CARRIER
IDT AMERICA, CORP. - MD
MD
Prefix range
The prefix 301-338 includes numbers from 3013380000 to 3013389999.
This range is associated with the CUMBERLAND rate center and was originally assigned to IDT AMERICA, CORP. - MD.
Numbers in this prefix
20 numbers