Prefix overview
Phone numbers in prefix 646-405
This page covers the 646-405 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
646-405
RATE CENTER
NWYRCYZN01
CARRIER
MCIMETRO ACCESS TRANSMISSION SERVICES LLC
NY
Prefix range
The prefix 646-405 includes numbers from 6464050000 to 6464059999.
This range is associated with the NWYRCYZN01 rate center and was originally assigned to MCIMETRO ACCESS TRANSMISSION SERVICES LLC.
Numbers in this prefix
20 numbers