Prefix overview
Phone numbers in prefix 661-210
This page covers the 661-210 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
661-210
RATE CENTER
SNCA NHCS
CARRIER
NEW CINGULAR WIRELESS PCS, LLC
CA
Prefix range
The prefix 661-210 includes numbers from 6612100000 to 6612109999.
This range is associated with the SNCA NHCS rate center and was originally assigned to NEW CINGULAR WIRELESS PCS, LLC.
Numbers in this prefix
20 numbers