Prefix overview
Phone numbers in prefix 240-212
This page covers the 240-212 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
240-212
RATE CENTER
OAKLAND
CARRIER
CORE COMMUNICATIONS, INC.- MD
MD
Prefix range
The prefix 240-212 includes numbers from 2402120000 to 2402129999.
This range is associated with the OAKLAND rate center and was originally assigned to CORE COMMUNICATIONS, INC.- MD.
Numbers in this prefix
20 numbers