Prefix overview
Phone numbers in prefix 443-477
This page covers the 443-477 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
443-477
RATE CENTER
CAMBRIDGE
CARRIER
CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD
MD
Prefix range
The prefix 443-477 includes numbers from 4434770000 to 4434779999.
This range is associated with the CAMBRIDGE rate center and was originally assigned to CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD.
Numbers in this prefix
20 numbers