Prefix overview
Phone numbers in prefix 305-440
This page covers the 305-440 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
305-440
RATE CENTER
KEYS
CARRIER
COMCAST IP PHONE, LLC
FL
Prefix range
The prefix 305-440 includes numbers from 3054400000 to 3054409999.
This range is associated with the KEYS rate center and was originally assigned to COMCAST IP PHONE, LLC.
Numbers in this prefix
20 numbers