Prefix overview
Phone numbers in prefix 939-421
This page covers the 939-421 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
939-421
RATE CENTER
VEGA BAJA
CARRIER
SUNCOM DBA T-MOBILE USA
PR
Prefix range
The prefix 939-421 includes numbers from 9394210000 to 9394219999.
This range is associated with the VEGA BAJA rate center and was originally assigned to SUNCOM DBA T-MOBILE USA.
Numbers in this prefix
20 numbers