Prefix overview
Phone numbers in prefix 240-343
This page covers the 240-343 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
240-343
RATE CENTER
HANCOCK
CARRIER
CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD
MD
Prefix range
The prefix 240-343 includes numbers from 2403430000 to 2403439999.
This range is associated with the HANCOCK rate center and was originally assigned to CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD.
Numbers in this prefix
20 numbers