Prefix overview
Phone numbers in prefix 787-491
This page covers the 787-491 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
787-491
RATE CENTER
GURABO
CARRIER
OPTIVON TELECOMMUNICATIONS SERVICES, INC. - PR
PR
Prefix range
The prefix 787-491 includes numbers from 7874910000 to 7874919999.
This range is associated with the GURABO rate center and was originally assigned to OPTIVON TELECOMMUNICATIONS SERVICES, INC. - PR.
Numbers in this prefix
20 numbers