Prefix overview
Phone numbers in prefix 860-375
This page covers the 860-375 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
860-375
RATE CENTER
ROCKVILLE
CARRIER
MCIMETRO ACCESS TRANSMISSION SERVICES LLC
CT
Prefix range
The prefix 860-375 includes numbers from 8603750000 to 8603759999.
This range is associated with the ROCKVILLE rate center and was originally assigned to MCIMETRO ACCESS TRANSMISSION SERVICES LLC.
Numbers in this prefix
20 numbers