Prefix overview
Phone numbers in prefix 820-280
This page covers the 820-280 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
820-280
RATE CENTER
LOS ALAMOS
CARRIER
HD CARRIER LLC
CA
Prefix range
The prefix 820-280 includes numbers from 8202800000 to 8202809999.
This range is associated with the LOS ALAMOS rate center and was originally assigned to HD CARRIER LLC.
Numbers in this prefix
20 numbers