NPA-NXX - 408-644

This is the 408-644 subcode (NPA-NXX) prefix page. Follow a prefix to find the number you are looking for. We divide our pages up to make them more user friendly to navigate!

The 408-644 subcode mainly covers San Jose in Santa Clara county. But other numbers maybe included as well.

We have a database of information derived from the public phone records of California state. Many of the numbers in this subcode are Cellular (Dedicated) registered to T-mobile. We hear they employ a large number of people in the California office.
Recently there have been an increase in reported calls, we've had over 1781642 comments across our systems for the 408-644 subcode.

Looking for a different number? Follow a link below to see our recently active.

803-265-8603 864-729-4355 520-800-2400 901-730-9571 843-550-3398
573-491-3383 715-765-7428 937-248-1596 978-824-5424 203-817-5056