Prefix overview
Phone numbers in prefix 504-221
This page covers the 504-221 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
504-221
RATE CENTER
KENNER
CARRIER
VOICESTREAM GSM I, LLC
LA
Prefix range
The prefix 504-221 includes numbers from 5042210000 to 5042219999.
This range is associated with the KENNER rate center and was originally assigned to VOICESTREAM GSM I, LLC.
Numbers in this prefix
20 numbers