California · Phone number directory

323 phone numbers & call reports

Received a call from a number starting with 323? Browse available reports below or look up the full number to check its complaint history.

Numbers with reports: 587
FTC complaints: 649
WhoseNum community reports: 0

Reports describe individual experiences, not a verdict on every 323 number. About our sources

Area code guide

323: California

Area code 323 is a geographic telephone code assigned to California. NANPA records its introduction on Jun 13, 1998. Its recorded overlay relationships connect it with 213, 738. Overlay codes share all or part of a numbering region.

State / territory: California
In service since: Jun 13, 1998
Predominant time zone: Pacific
Local dialing within 323: 1 + 10 digits
Active overlay partners: 213, 738

Time zones and dialing patterns describe the numbering region. They do not establish a caller’s current time or location. Carrier dialing options can differ.

Rate centers in the 323 assignment data (12)

These are telephone rate-center labels from NANPA’s block assignments, not a list of every city or an exact coverage boundary.

Lsan Da 02
Lsan Da 03
Lsan Da 04
Lsan Da 05
Lsan Da 06
Lsan Da 08
Lsan Da 09
Lsan Da 11
Lsan Da 12
Lsan Da 13
Lsan Da 14
Montebello

Sources & retrieval dates

NANPA thousands-block assignments Retrieved Oct 18, 2026
NANPA area-code database field definitions Retrieved Oct 19, 2026
NANPA area-code database Retrieved Oct 19, 2026

Numbering facts are stored from the cited sources and updated when a new snapshot is imported. Regional context is separate from unverified call reports.

323 numbers with reports

Open a number to see its available reports and sources.

587 numbers

Ordered by available report and complaint counts. “Record updated” reflects a data update, not necessarily the date of a call.

Browse 323 phone prefixes

Explore exchanges with available reports in this area code.

Questions about 323 numbers

Where are 323 phone numbers from?

The 323 area code is associated with California. This numbering information does not establish where a caller is currently located. Caller ID can be spoofed.

Is every call from 323 spam?

No. A shared prefix does not mean that the numbers belong to the same caller or that every call is unwanted. Reports and complaints are unverified. Check the full number and the details of the call before drawing a conclusion.

What if the number that called me is not listed?

This directory shows numbers with published WhoseNum reports or complaints in our available FTC snapshot. It is not a complete list of assigned numbers or all past calls. Use the lookup above to check an unlisted number and share your own experience from its number page.

What these reports cover

FTC counts come from our imported Do Not Call complaint snapshot, covering complaint filing dates from Sep 10, 2026 to Oct 15, 2026. This is a partial snapshot, not the FTC’s full complaint history. WhoseNum community counts include published reports submitted directly to this site. Neither source verifies who placed a call. Read the source and coverage notes.

323 phone numbers & call reports

Check a specific number

323: California

323 numbers with reports

Browse 323 phone prefixes

Questions about 323 numbers

What these reports cover

Report a phone number

Available reports at a glance

323: California

Browse 323 phone prefixes

Questions about 323 numbers

What these reports cover