Prefix overview
Phone numbers in prefix 619-303
This page covers the 619-303 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
619-303
RATE CENTER
LA MESA
CARRIER
COMCAST IP PHONE, LLC
CA
Prefix range
The prefix 619-303 includes numbers from 6193030000 to 6193039999.
This range is associated with the LA MESA rate center and was originally assigned to COMCAST IP PHONE, LLC.
Numbers in this prefix
20 numbers