Prefix overview
Phone numbers in prefix 240-442
This page covers the 240-442 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
240-442
RATE CENTER
OAKLAND
CARRIER
VERIZON MARYLAND, INC.
MD
Prefix range
The prefix 240-442 includes numbers from 2404420000 to 2404429999.
This range is associated with the OAKLAND rate center and was originally assigned to VERIZON MARYLAND, INC..
Numbers in this prefix
20 numbers