Prefix overview
Phone numbers in prefix 301-318
This page covers the 301-318 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
301-318
RATE CENTER
WSHNGTNZN2
CARRIER
NEW CINGULAR WIRELESS PCS, LLC - DC
MD
Prefix range
The prefix 301-318 includes numbers from 3013180000 to 3013189999.
This range is associated with the WSHNGTNZN2 rate center and was originally assigned to NEW CINGULAR WIRELESS PCS, LLC - DC.
Numbers in this prefix
20 numbers