Prefix overview
Phone numbers in prefix 973-437
This page covers the 973-437 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
973-437
RATE CENTER
MADISON
CARRIER
MCIMETRO ACCESS TRANSMISSION SERVICES LLC
NJ
Prefix range
The prefix 973-437 includes numbers from 9734370000 to 9734379999.
This range is associated with the MADISON rate center and was originally assigned to MCIMETRO ACCESS TRANSMISSION SERVICES LLC.
Numbers in this prefix
20 numbers