Prefix 619-581 — San Diego:san Diego Da, CA

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

619-581 identifies a block of numbers in San Diego:san Diego Da, CA, within the 619 area code. Every US prefix is tied to exactly one rate center; this one is San Diego:san Diego Da.

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.

Treat the on-screen number as a hint, not evidence — 619-581 can be spoofed like any US prefix. If a call feels off, verify through an official callback number and file a complaint with the FCC or FTC.

The assigned code holder is NEW CINGULAR WIRELESS PCS, LLC, operating company number 6010, assigned April 21, 2006. This is a pooled prefix — expect numbers within it to be split across more than one carrier in 1,000-number blocks.

Neighboring prefixes

FAQ

Where is 619-581 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 619-581 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 619-581 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.