Prefix 619-305 — Chula Vista, CA

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

Area code
619
Prefix (NXX)
305
Rate center
Chula Vista
State
California
Time zone
Pacific
Code holder
ONVOY, LLC - CA
OCN
649C
Pooled
Yes (thousands-block pooling)
Assigned
2016-01-28
LATA
732

Numbers in the 619-305 prefix are registered to the Chula Vista rate center in CA, inside area code 619. The prefix is the second block of a ten-digit US number (619-305-XXXX) and pins the number to a billing locality.

The assigned code holder is ONVOY, LLC - CA, operating company number 649C, assigned January 28, 2016. This is a pooled prefix — expect numbers within it to be split across more than one carrier in 1,000-number blocks.

The rate center lies in the San Diego-Cula Vista-Carlsbad, CA Metropolitan Statistical Area. The serving LATA is 732. Local time follows the Pacific zone.

Spoofing means this prefix on your screen doesn't guarantee a Chula Vista caller. Verify independently before trusting a request for money or data.

Neighboring prefixes

Prefixes adjacent to 619-305
PrefixRate centerCode holder
619-302 San Diego:san Diego Da NEW CINGULAR WIRELESS PCS, LLC
619-303 La Mesa COMCAST PHONE OF CALIFORNIA, LLC
619-304 San Diego:san Diego Da ONVOY, LLC - CA
619-306 San Diego:san Diego Da NEW CINGULAR WIRELESS PCS, LLC
619-307 San Diego:san Diego Da NEW CINGULAR WIRELESS PCS, LLC
619-308 San Diego:san Diego Da U.S. TELEPACIFIC CORP. DBA TPX COMMUNICATIONS

FAQ

Where is 619-305 located?

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

Which company owns 619-305 numbers?

ONVOY, 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 619-305 safe to answer?

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