Area code 738 — California
Area code 738 is in California and serves San Fernando, Los Angeles. Time zone, overlays, counties and ZIP codes.
| Location | California (nearly the entire city of Los Angeles outside of the San Fernando Valley and smaller cities and unincorporated areas of Los Angeles County immediately to the south or east) |
|---|---|
| Main places | San Fernando, Los Angeles |
| State | California |
| Status | In service · since 2024 |
| Time zone | Pacific · |
| Overlay codes | 213323 Overlays share the same area. Local calls usually need 10-digit dialing. |
| Local dialing | 1+10D |
History
- Overlaid on 213/323
Counties (approximate)
Los AngelesLos Angeles County
ZIP codes in area code 738
Approximate: area code boundaries follow telephone rate centers, not ZIP codes.
90001 Los Angeles90002 Los Angeles90003 Los Angeles90004 Los Angeles90005 Los Angeles90006 Los Angeles90007 Los Angeles90008 Los Angeles90009 Los Angeles90010 Los Angeles90011 Los Angeles90012 Los Angeles90013 Los Angeles90014 Los Angeles90015 Los Angeles90017 Los Angeles90018 Los Angeles90019 Los Angeles90020 Los Angeles90021 Los Angeles90022 Los Angeles90023 Los Angeles90026 Los Angeles90027 Los Angeles90028 Los Angeles90029 Los Angeles90030 Los Angeles90031 Los Angeles90032 Los Angeles90033 Los Angeles90036 Los Angeles90037 Los Angeles90038 Los Angeles90039 Los Angeles90040 Los Angeles90043 Los Angeles90044 Los Angeles90046 Los Angeles90047 Los Angeles90048 Los Angeles
Format a 738 number
US numbers are written as (738) 555-0123 or 738-555-0123. From outside the US, dial +1 738 555 0123.
Is a call from 738 a scam?
An area code only tells you where a number was assigned. Caller ID can be faked (“spoofed”), so do not trust a call just because the area code looks local. Never share codes or payment details with unexpected callers.
Sources: NANPA via NumberResearch.org (CC BY 4.0); place names and history from Wikipedia (CC BY-SA 4.0). See data sources.