Prefix 619-357 — El Cajon, CA
The 619-357 prefix belongs to area code 619 and is anchored to the El Cajon rate center (CA). In NANP terms, the prefix — or NXX — determines the rate center a number is billed against.
El Cajon 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 LEVEL 3 COMMUNICATIONS, LLC - CA, operating company number 8826, assigned October 10, 2011. 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 619-357 is not proof the call came from El Cajon: 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
| Prefix | Rate center | Code holder |
|---|---|---|
| 619-354 | San Diego:san Diego Da | PEERLESS NETWORK OF CALIFORNIA, LLC - CA |
| 619-355 | La Mesa | 33 WIRELESS INC. |
| 619-356 | San Diego:san Diego Da | ONVOY, LLC - CA |
| 619-358 | San Diego:san Diego Da | AT&T - LOCAL |
| 619-359 | San Diego:san Diego Da | NUSO, LLC |
| 619-360 | El Cajon | AMERICAN MESSAGING SERVICES, LLC |
FAQ
Where is 619-357 located?
The prefix is assigned to the El Cajon rate center in CA, area code 619. It is part of the San Diego-Cula Vista-Carlsbad, CA Metropolitan Statistical Area.
Which company owns 619-357 numbers?
LEVEL 3 COMMUNICATIONS, 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 619-357 safe to answer?
The prefix itself says nothing about the caller. Legitimate El Cajon businesses and spoofed robocalls can both display it. Never share personal data with an unverified inbound caller.