Prefix overview
Phone numbers in prefix 415-400
This page covers the 415-400 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
415-400
RATE CENTER
SNFC CNTRL
CARRIER
RACE TELECOMMUNICATIONS, INC. - CA
CA
Prefix range
The prefix 415-400 includes numbers from 4154000000 to 4154009999.
This range is associated with the SNFC CNTRL rate center and was originally assigned to RACE TELECOMMUNICATIONS, INC. - CA.
Numbers in this prefix
20 numbers