Prefix overview
Phone numbers in prefix 681-350
This page covers the 681-350 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
681-350
RATE CENTER
KINGWOOD
CARRIER
HD CARRIER LLC
WV
Prefix range
The prefix 681-350 includes numbers from 6813500000 to 6813509999.
This range is associated with the KINGWOOD rate center and was originally assigned to HD CARRIER LLC.
Numbers in this prefix
20 numbers