Prefix overview
Phone numbers in prefix 410-477
This page covers the 410-477 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
410-477
RATE CENTER
SPARROWSPT
CARRIER
VERIZON MARYLAND, INC.
MD
Prefix range
The prefix 410-477 includes numbers from 4104770000 to 4104779999.
This range is associated with the SPARROWSPT rate center and was originally assigned to VERIZON MARYLAND, INC..
Numbers in this prefix
20 numbers