Prefix overview
Phone numbers in prefix 305-291
This page covers the 305-291 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
305-291
RATE CENTER
MIAMI
CARRIER
SPOK, INC.
FL
Prefix range
The prefix 305-291 includes numbers from 3052910000 to 3052919999.
This range is associated with the MIAMI rate center and was originally assigned to SPOK, INC..
Numbers in this prefix
20 numbers