Prefix 916-637 — Sacramento:main Da, CA

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

Area code
916
Prefix (NXX)
637
Rate center
Sacramento:main Da
State
California
Time zone
Pacific
Code holder
PAETEC ITEL, LLC
OCN
829J
Pooled
Yes (thousands-block pooling)
Assigned
2008-11-10
LATA
726

916-637 identifies a block of numbers in Sacramento:main Da, CA, within the 916 area code. Every US prefix is tied to exactly one rate center; this one is Sacramento:main 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 — 916-637 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 PAETEC ITEL, LLC, operating company number 829J, assigned November 10, 2008. 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 916-637
PrefixRate centerCode holder
916-634 Sacramento:north Da NEW CINGULAR WIRELESS PCS, LLC
916-635 Sacramento:main Da PACIFIC BELL
916-636 Sacramento:main Da PACIFIC BELL
916-638 Sacramento:main Da PACIFIC BELL
916-639 Sacramento:main Da CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA
916-640 Sacramento:north Da FIDIUM ENTERPRISE SERVICES, LLC

FAQ

Where is 916-637 located?

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

Which company owns 916-637 numbers?

PAETEC ITEL, 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 916-637 safe to answer?

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