Prefix overview
Phone numbers in prefix 970-399
This page covers the 970-399 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
970-399
RATE CENTER
DELTA
CARRIER
FASTTRACK COMMUNICATIONS, INC. - CO
CO
Prefix range
The prefix 970-399 includes numbers from 9703990000 to 9703999999.
This range is associated with the DELTA rate center and was originally assigned to FASTTRACK COMMUNICATIONS, INC. - CO.
Numbers in this prefix
20 numbers