Prefix 415-450 — San Rafael, CA

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

A phone number starting 415-450 was issued in the San Rafael rate center of CA — part of area code 415.

Code-holder of record: MCIMETRO ACCESS TRANSMISSION SERVICES LLC - CA (OCN 7240), assigned May 11, 2001. The prefix is pooled: its ten thousands-blocks can be shared among several carriers, so different 415-450 numbers may be served by different companies.

A scammer can display 415-450 without ever touching CA. When in doubt, end the call and reach the company or agency through its official website; unwanted robocalls belong in the FTC's fraud report queue.

San Rafael 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.

Neighboring prefixes

FAQ

Where is 415-450 located?

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

Which company owns 415-450 numbers?

MCIMETRO ACCESS TRANSMISSION SERVICES LLC - CA 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 415-450 safe to answer?

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