Prefix overview
Phone numbers in prefix 307-309
This page covers the 307-309 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
307-309
RATE CENTER
GLENROCK
CARRIER
NEW CINGULAR WIRELESS PCS, LLC
WY
Prefix range
The prefix 307-309 includes numbers from 3073090000 to 3073099999.
This range is associated with the GLENROCK rate center and was originally assigned to NEW CINGULAR WIRELESS PCS, LLC.
Numbers in this prefix
20 numbers