Prefix overview
Phone numbers in prefix 208-256
This page covers the 208-256 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
208-256
RATE CENTER
INDIAN VLY
CARRIER
CAMBRIDGE TELEPHONE COMPANY
ID
Prefix range
The prefix 208-256 includes numbers from 2082560000 to 2082569999.
This range is associated with the INDIAN VLY rate center and was originally assigned to CAMBRIDGE TELEPHONE COMPANY.
Numbers in this prefix
20 numbers