Prefix overview
Phone numbers in prefix 408-427
This page covers the 408-427 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
408-427
RATE CENTER
GILROY
CARRIER
TELEPORT COMMUNICATIONS AMERICA, LLC - CA
CA
Prefix range
The prefix 408-427 includes numbers from 4084270000 to 4084279999.
This range is associated with the GILROY rate center and was originally assigned to TELEPORT COMMUNICATIONS AMERICA, LLC - CA.
Numbers in this prefix
20 numbers