Prefix overview
Phone numbers in prefix 617-299
This page covers the 617-299 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
617-299
RATE CENTER
CAMBRIDGE
CARRIER
MCIMETRO ACCESS TRANSMISSION SERVICES LLC
MA
Prefix range
The prefix 617-299 includes numbers from 6172990000 to 6172999999.
This range is associated with the CAMBRIDGE rate center and was originally assigned to MCIMETRO ACCESS TRANSMISSION SERVICES LLC.
Numbers in this prefix
20 numbers