Prefix 619-496 — San Diego:san Diego Da, CA

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

Area code
619
Prefix (NXX)
496
State
California
Time zone
Pacific
Code holder
T-MOBILE USA, INC.
OCN
6529
Pooled
Yes (thousands-block pooling)
Assigned
2014-08-04
LATA
732

The 619-496 prefix belongs to area code 619 and is anchored to the San Diego:san Diego Da rate center (CA). In NANP terms, the prefix — or NXX — determines the rate center a number is billed against.

San Diego:san Diego Da is part of the San Diego-Cula Vista-Carlsbad, CA Metropolitan Statistical Area. For routing purposes it sits in LATA 732. Numbers here keep Pacific time.

The assigned code holder is T-MOBILE USA, INC., operating company number 6529, assigned August 4, 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 619-496 is not proof the call came from San Diego:san Diego 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 619-496
PrefixRate centerCode holder
619-493 El Cajon BANDWIDTH.COM CLEC, LLC - CA
619-494 Chula Vista BANDWIDTH.COM CLEC, LLC - CA
619-495 Chula Vista CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA
619-497 San Diego:san Diego Da PACIFIC BELL
619-498 Chula Vista PACIFIC BELL
619-499 El Cajon COMCAST PHONE OF CALIFORNIA, LLC

FAQ

Where is 619-496 located?

The prefix is assigned to the San Diego:san Diego Da rate center in CA, area code 619. It is part of the San Diego-Cula Vista-Carlsbad, CA Metropolitan Statistical Area.

Which company owns 619-496 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 619-496 safe to answer?

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