California · Phone number directory
738 phone numbers & call reports
Received a call from a number starting with 738? Browse available reports below or look up the full number to check its complaint history.
Available reports at a glance
- Numbers with reports
- 22
- FTC complaints
- 22
- WhoseNum community reports
- 0
Reports describe individual experiences, not a verdict on every 738 number. About our sources
Area code guide
738: California
Area code 738 is a geographic telephone code assigned to California. NANPA records its introduction on . Its recorded overlay relationships connect it with 213, 323. Overlay codes share all or part of a numbering region.
- State / territory
- California
- In service since
- Predominant time zone
- Pacific
- Local dialing within 738
- 1 + 10 digits
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 738 assignment data (15)
These are telephone rate-center labels from NANPA’s block assignments, not a list of every city or an exact coverage boundary.
- Lsan Da 01
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- Lsan Da 14
- Montebello
Sources & retrieval dates
- NANPA thousands-block assignments Retrieved
- NANPA area-code database field definitions Retrieved
- NANPA area-code database Retrieved
Numbering facts are stored from the cited sources and updated when a new snapshot is imported. Regional context is separate from unverified call reports.
738 numbers with reports
Open a number to see its available reports and sources.
- (738) 200-43531 FTC complaint · 0 community reportsRecord updated
- (738) 200-64021 FTC complaint · 0 community reportsRecord updated
- (738) 300-07071 FTC complaint · 0 community reportsRecord updated
- (738) 200-43271 FTC complaint · 0 community reportsRecord updated
- (738) 777-06861 FTC complaint · 0 community reportsRecord updated
- (738) 200-43201 FTC complaint · 0 community reportsRecord updated
- (738) 200-43711 FTC complaint · 0 community reportsRecord updated
- (738) 300-34831 FTC complaint · 0 community reportsRecord updated
- (738) 333-60421 FTC complaint · 0 community reportsRecord updated
- (738) 200-43551 FTC complaint · 0 community reportsRecord updated
- (738) 207-31671 FTC complaint · 0 community reportsRecord updated
- (738) 207-56981 FTC complaint · 0 community reportsRecord updated
- (738) 300-32711 FTC complaint · 0 community reportsRecord updated
- (738) 998-98131 FTC complaint · 0 community reportsRecord updated
- (738) 200-43041 FTC complaint · 0 community reportsRecord updated
- (738) 200-43101 FTC complaint · 0 community reportsRecord updated
- (738) 200-43281 FTC complaint · 0 community reportsRecord updated
- (738) 333-66531 FTC complaint · 0 community reportsRecord updated
- (738) 208-43091 FTC complaint · 0 community reportsRecord updated
- (738) 200-43561 FTC complaint · 0 community reportsRecord updated
- (738) 333-40371 FTC complaint · 0 community reportsRecord updated
- (738) 333-67921 FTC complaint · 0 community reportsRecord updated
Ordered by available report and complaint counts. “Record updated” reflects a data update, not necessarily the date of a call.
Browse 738 phone prefixes
Explore exchanges with available reports in this area code.
Questions about 738 numbers
Where are 738 phone numbers from?
The 738 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 738 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 to . 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.