Prefix 408-569 — San Jose:west Da, CA

NANPA CO code assignment, current as of July 28, 2026.

Numbers in the 408-569 prefix are registered to the San Jose:west Da rate center in CA, inside area code 408. The prefix is the second block of a ten-digit US number (408-569-XXXX) and pins the number to a billing locality.

NANPA's central-office code records list T-MOBILE USA, INC. (OCN 6529) as the code holder, assigned April 25, 2001. Because 408-569 participates in thousands-block pooling, individual 1,000-number blocks may belong to other carriers than the code holder.

The rate center lies in the San Jose-Sunnyvale-Santa Clara, CA Metropolitan Statistical Area. The serving LATA is 722. Local time follows the Pacific zone.

Spoofing means this prefix on your screen doesn't guarantee a San Jose:west Da caller. Verify independently before trusting a request for money or data.

Neighboring prefixes

FAQ

Where is 408-569 located?

The prefix is assigned to the San Jose:west Da rate center in CA, area code 408. It is part of the San Jose-Sunnyvale-Santa Clara, CA Metropolitan Statistical Area.

Which company owns 408-569 numbers?

T-MOBILE USA, INC. holds the code, but the prefix is pooled — individual thousands-blocks can be assigned to other carriers, and numbers may be ported to any provider.

Is a call from 408-569 safe to answer?

The prefix itself says nothing about the caller. Legitimate San Jose:west Da businesses and spoofed robocalls can both display it. Never share personal data with an unverified inbound caller.