Prefix overview
Phone numbers in prefix 517-444
This page covers the 517-444 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
517-444
RATE CENTER
CHARLOTTE
CARRIER
MCIMETRO ACCESS TRANSMISSION SERVICES LLC - MI
MI
Prefix range
The prefix 517-444 includes numbers from 5174440000 to 5174449999.
This range is associated with the CHARLOTTE rate center and was originally assigned to MCIMETRO ACCESS TRANSMISSION SERVICES LLC - MI.
Numbers in this prefix
20 numbers