Prefix overview
Phone numbers in prefix 443-353
This page covers the 443-353 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
443-353
RATE CENTER
COCKEYSVL
CARRIER
VERIZON MARYLAND, INC.
MD
Prefix range
The prefix 443-353 includes numbers from 4433530000 to 4433539999.
This range is associated with the COCKEYSVL rate center and was originally assigned to VERIZON MARYLAND, INC..
Numbers in this prefix
20 numbers