Prefix overview
Phone numbers in prefix 787-421
This page covers the 787-421 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
787-421
RATE CENTER
GUAYNABO
CARRIER
LIBERTY MOBILE PUERTO RICO INC.
PR
Prefix range
The prefix 787-421 includes numbers from 7874210000 to 7874219999.
This range is associated with the GUAYNABO rate center and was originally assigned to LIBERTY MOBILE PUERTO RICO INC..
Numbers in this prefix
20 numbers