Prefix overview
Phone numbers in prefix 510-259
This page covers the 510-259 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
510-259
RATE CENTER
HAYWARD
CARRIER
PACIFIC BELL
CA
Prefix range
The prefix 510-259 includes numbers from 5102590000 to 5102599999.
This range is associated with the HAYWARD rate center and was originally assigned to PACIFIC BELL.
Numbers in this prefix
20 numbers