Prefix 415-909 — San Francisco:juniper Da, CA

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

Area code
415
Prefix (NXX)
909
State
California
Time zone
Pacific
Code holder
AT&T ENTERPRISES, LLC
OCN
516C
Pooled
Yes (thousands-block pooling)
Assigned
2015-09-11
LATA
722

Numbers in the 415-909 prefix are registered to the San Francisco:juniper Da rate center in CA, inside area code 415. The prefix is the second block of a ten-digit US number (415-909-XXXX) and pins the number to a billing locality.

NANPA's central-office code records list AT&T ENTERPRISES, LLC (OCN 516C) as the code holder, assigned September 11, 2015. Because 415-909 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 Francisco-Oakland-Fremont, 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 Francisco:juniper Da caller. Verify independently before trusting a request for money or data.

Neighboring prefixes

Prefixes adjacent to 415-909
PrefixRate centerCode holder
415-906 San Francisco:central Da BANDWIDTH.COM CLEC, LLC - CA
415-907 San Francisco:juniper Da ONVOY, LLC - CA
415-908 San Francisco:central Da PACIFIC BELL
415-910 Belvedere T-MOBILE USA, INC.
415-912 San Francisco:central Da PACIFIC BELL
415-913 San Francisco:central Da MCIMETRO ACCESS TRANSMISSION SERVICES LLC

FAQ

Where is 415-909 located?

The prefix is assigned to the San Francisco:juniper Da rate center in CA, area code 415. It is part of the San Francisco-Oakland-Fremont, CA Metropolitan Statistical Area.

Which company owns 415-909 numbers?

AT&T ENTERPRISES, LLC 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 415-909 safe to answer?

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