Prefix 619-536 — El Cajon, CA

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

Area code
619
Prefix (NXX)
536
Rate center
El Cajon
State
California
Time zone
Pacific
Code holder
NEW CINGULAR WIRELESS PCS, LLC
OCN
6010
Pooled
Yes (thousands-block pooling)
Assigned
2014-08-21
LATA
732

Numbers in the 619-536 prefix are registered to the El Cajon rate center in CA, inside area code 619. The prefix is the second block of a ten-digit US number (619-536-XXXX) and pins the number to a billing locality.

Code-holder of record: NEW CINGULAR WIRELESS PCS, LLC (OCN 6010), assigned August 21, 2014. The prefix is pooled: its ten thousands-blocks can be shared among several carriers, so different 619-536 numbers may be served by different companies.

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 El Cajon caller. Verify independently before trusting a request for money or data.

Neighboring prefixes

Prefixes adjacent to 619-536
PrefixRate centerCode holder
619-533 San Diego:san Diego Da PACIFIC BELL
619-534 San Diego:san Diego Da T-MOBILE USA, INC.
619-535 San Diego:san Diego Da LEVEL 3 COMMUNICATIONS, LLC - CA
619-537 Coronado PACIFIC BELL
619-538 San Diego:san Diego Da CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA
619-539 San Diego:san Diego Da PEERLESS NETWORK OF CALIFORNIA, LLC - CA

FAQ

Where is 619-536 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 619-536 numbers?

NEW CINGULAR WIRELESS PCS, 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 619-536 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.