Prefix overview
Phone numbers in prefix 301-392
This page covers the 301-392 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
301-392
RATE CENTER
LA PLATA
CARRIER
VERIZON MARYLAND, INC.
MD
Prefix range
The prefix 301-392 includes numbers from 3013920000 to 3013929999.
This range is associated with the LA PLATA rate center and was originally assigned to VERIZON MARYLAND, INC..
Numbers in this prefix
20 numbers