Prefix overview
Phone numbers in prefix 410-343
This page covers the 410-343 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
410-343
RATE CENTER
SPARKSGLNC
CARRIER
VERIZON MARYLAND, INC.
MD
Prefix range
The prefix 410-343 includes numbers from 4103430000 to 4103439999.
This range is associated with the SPARKSGLNC rate center and was originally assigned to VERIZON MARYLAND, INC..
Numbers in this prefix
20 numbers