Prefix 415-650 — San Francisco:montrose-evergreen Da, CA

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

Area code
415
Prefix (NXX)
650
State
California
Time zone
Pacific
Code holder
T-MOBILE USA, INC.
OCN
6529
Pooled
Yes (thousands-block pooling)
Assigned
2014-11-11
LATA
722

The 415-650 prefix belongs to area code 415 and is anchored to the San Francisco:montrose-evergreen Da rate center (CA). In NANP terms, the prefix — or NXX — determines the rate center a number is billed against.

San Francisco:montrose-evergreen Da is part of the San Francisco-Oakland-Fremont, CA Metropolitan Statistical Area. For routing purposes it sits in LATA 722. Numbers here keep Pacific time.

The assigned code holder is T-MOBILE USA, INC., operating company number 6529, assigned November 11, 2014. This is a pooled prefix — expect numbers within it to be split across more than one carrier in 1,000-number blocks.

Caller ID showing 415-650 is not proof the call came from San Francisco:montrose-evergreen Da: spoofing and porting both detach numbers from their origin. To verify a caller, hang up and dial the organization's published number, and report suspicious calls to the FTC.

Neighboring prefixes

Prefixes adjacent to 415-650
PrefixRate centerCode holder
415-647 San Francisco:central Da PACIFIC BELL
415-648 San Francisco:central Da PACIFIC BELL
415-649 San Francisco:montrose-evergreen Da LEVEL 3 COMMUNICATIONS, LLC - CA
415-651 San Francisco:central Da ONVOY, LLC - CA
415-652 San Francisco:central Da CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA
415-653 San Francisco:central Da NEW CINGULAR WIRELESS PCS, LLC

FAQ

Where is 415-650 located?

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

Which company owns 415-650 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 415-650 safe to answer?

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