Prefix overview
Phone numbers in prefix 815-277
This page covers the 815-277 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
815-277
RATE CENTER
FRANKFORT
CARRIER
TELEPORT COMMUNICATIONS AMERICA, LLC - IL
IL
Prefix range
The prefix 815-277 includes numbers from 8152770000 to 8152779999.
This range is associated with the FRANKFORT rate center and was originally assigned to TELEPORT COMMUNICATIONS AMERICA, LLC - IL.
Numbers in this prefix
20 numbers