Prefix 916-664 — Sacramento:north Da, CA

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

Area code
916
Prefix (NXX)
664
Rate center
Sacramento:north Da
State
California
Time zone
Pacific
Code holder
T-MOBILE USA, INC.
OCN
6529
Pooled
Yes (thousands-block pooling)
Assigned
2015-02-24
LATA
726

916-664 identifies a block of numbers in Sacramento:north Da, CA, within the 916 area code. Every US prefix is tied to exactly one rate center; this one is Sacramento:north Da.

The rate center lies in the Sacramento--Roseville--Folsom, CA Metropolitan Statistical Area. The serving LATA is 726. Local time follows the Pacific zone.

Treat the on-screen number as a hint, not evidence — 916-664 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.

The assigned code holder is T-MOBILE USA, INC., operating company number 6529, assigned February 24, 2015. This is a pooled prefix — expect numbers within it to be split across more than one carrier in 1,000-number blocks.

Neighboring prefixes

Prefixes adjacent to 916-664
PrefixRate centerCode holder
916-661 Sacramento:main Da MCIMETRO ACCESS TRANSMISSION SERVICES LLC - CA
916-662 Sacramento:main Da CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA
916-663 South Placer PACIFIC BELL
916-665 Meadowview CITIZENS TELECOM CA. DBA FRONTIER COM OF CA
916-666 Roseville:main Da ONVOY, LLC - CA
916-667 Elk Grove CITIZENS TELECOM CA. DBA FRONTIER COM OF CA

FAQ

Where is 916-664 located?

The prefix is assigned to the Sacramento:north Da rate center in CA, area code 916. It is part of the Sacramento--Roseville--Folsom, CA Metropolitan Statistical Area.

Which company owns 916-664 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 916-664 safe to answer?

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