Prefix 415-770 — San Francisco:montrose-evergreen Da, CA

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

Area code
415
Prefix (NXX)
770
State
California
Time zone
Pacific
Code holder
BANDWIDTH.COM CLEC, LLC - CA
OCN
981E
Pooled
Yes (thousands-block pooling)
Assigned
2014-02-28
LATA
722

415-770 identifies a block of numbers in San Francisco:montrose-evergreen Da, CA, within the 415 area code. Every US prefix is tied to exactly one rate center; this one is San Francisco:montrose-evergreen Da.

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.

Treat the on-screen number as a hint, not evidence — 415-770 can be spoofed like any US prefix. If a call feels off, verify through an official callback number and file a complaint with the FCC or FTC.

NANPA's central-office code records list BANDWIDTH.COM CLEC, LLC - CA (OCN 981E) as the code holder, assigned February 28, 2014. Because 415-770 participates in thousands-block pooling, individual 1,000-number blocks may belong to other carriers than the code holder.

Neighboring prefixes

Prefixes adjacent to 415-770
PrefixRate centerCode holder
415-767 San Francisco:central Da ELECTRIC LIGHTWAVE LLC DBA ALLSTREAM
415-768 San Francisco:central Da PACIFIC BELL
415-769 San Francisco:juniper Da AT&T ENTERPRISES, LLC
415-771 San Francisco:central Da PACIFIC BELL
415-772 San Francisco:central Da PACIFIC BELL
415-773 San Francisco:central Da PACIFIC BELL

FAQ

Where is 415-770 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 415-770 numbers?

BANDWIDTH.COM CLEC, 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 415-770 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.