Prefix 619-240 — Chula Vista, CA

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

Area code
619
Prefix (NXX)
240
Rate center
Chula Vista
State
California
Time zone
Pacific
Code holder
METROPCS, INC.
OCN
5562
Pooled
Yes (thousands-block pooling)
Assigned
2006-11-21
LATA
732

Numbers in the 619-240 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 (619-240-XXXX) and pins the number to a billing locality.

NANPA's central-office code records list METROPCS, INC. (OCN 5562) as the code holder, assigned November 21, 2006. Because 619-240 participates in thousands-block pooling, individual 1,000-number blocks may belong to other carriers than the code holder.

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 619-240
PrefixRate centerCode holder
619-237 San Diego:san Diego Da PACIFIC BELL
619-238 San Diego:san Diego Da PACIFIC BELL
619-239 San Diego:san Diego Da PACIFIC BELL
619-241 San Diego:san Diego Da CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA
619-242 San Diego:san Diego Da SPOK, INC.
619-243 San Diego:san Diego Da MCIMETRO ACCESS TRANSMISSION SERVICES LLC - CA

FAQ

Where is 619-240 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 619-240 numbers?

METROPCS, 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 619-240 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.