Area code
Area code 738 — Los Angeles, CA
California · in service since November 1, 2024
Area code 738 covers the Los Angeles, CA area. It is an overlay: 213, 323 serve the same area, so neighbors can have different area codes.
Local time in Los Angeles
Spam reports from Sep 23 – Oct 22, 2026
Low #401 of 461 codes
26 FTC complaints
Consumer reports, not verified by the FTC.
See the reports- Time zonePacific Time
- Local calls1 + 10 digits
- Prefixes43 assigned
- Runs out~3Q 2042
- Unwanted call?Block & report
Spam call reports about 738 numbers
Complaints by week
Sep 11 – Oct 22, 2026Show as table
| Week starting | Complaints |
|---|---|
| Sep 7 (3 days) | 0 |
| Sep 14 | 3 |
| Sep 21 | 0 |
| Sep 28 | 5 |
| Oct 5 | 7 |
| Oct 12 | 8 |
| Oct 19 (4 days) | 6 |
Compared with all codes
- Robocalls
- 73%all codes 75%
- Callers with the same code
- 0%all codes 35%
- Rank by complaints
- #401of 461 · bottom quarter
- FCC complaints, Oct 2025 – Sep 2026
- 1
What the calls were about
Sep 11 – Oct 22, 2026
| Subject | Complaints | |
|---|---|---|
| Dropped call or no message | 9 31% | |
| Reducing your debt (credit cards, mortgage, student loans) | 5 17% | |
| Calls pretending to be government, businesses, or family and friends | 2 7% | |
| Medical & prescriptions | 1 3% | |
| Other | 9 31% | |
| No subject given | 3 10% |
Where the people who complained live
Sep 11 – Oct 22, 2026
| State | Complaints | |
|---|---|---|
| California | 21 72% | |
| Alabama | 2 7% | |
| Ohio | 2 7% | |
| Pennsylvania | 2 7% | |
| Illinois | 1 3% |
October 2026 (partial) report · most reported
Consumer reports, not verified by the FTC · source
Source: FTC Do Not Call complaints created Sep 11 – Oct 22, 2026. They are reported by consumers and are not verified by the FTC; caller ID can be spoofed (how we count).
Source: FCC Consumer Complaints data, unwanted calls filed Oct 1, 2025 – Sep 30, 2026, by caller ID; not verified by the FCC.
Area code 738 location and prefixes
| Exchange (NANPA) | Place | County | Prefixes |
|---|---|---|---|
| LSAN DA 06 | Los Angeles | Los Angeles County | 4 |
| LSAN DA 04 | Los Angeles | Los Angeles County | 3 |
| LSAN DA 01 | Los Angeles | Los Angeles County | 2 |
| LSAN DA 02 | Los Angeles | Los Angeles County | 2 |
| LSAN DA 08 | Los Angeles | Los Angeles County | 2 |
| LSAN DA 09 | Los Angeles | Los Angeles County | 2 |
| LSAN DA 10 | Los Angeles | Los Angeles County | 2 |
| LSAN DA 12 | Los Angeles | Los Angeles County | 2 |
| LSAN DA 13 | Los Angeles | Los Angeles County | 2 |
| LSAN DA 14 | Los Angeles | Los Angeles County | 2 |
Plus 5 smaller exchange areas.
Source: NANPA CO codes of Oct 23, 2026; places: U.S. Census Bureau, matched by DialWhere (how).
NANPA record
- Location
- California
- Assigned by NANPA
- March 16, 2023
- Local dialing
- 1 + 10 digits (NANPA: 1+10D)
- NANPA planning letters
- PL-614
Source: NANPA, NPA database of Oct 24, 2026.
Is 738 running out of numbers?
Previous forecast (October 2025): 2042, the same year.
Forecast exhaust year by edition
Source: NANPA NRUF forecast, April 2026 edition.
Who holds 738 prefixes
The five largest of 9 original holders
As listed by NANPA, not today’s carrier.
| Holder (as listed) | Prefixes | |
|---|---|---|
| Onvoy, LLC | 18 42% | |
| 14 33% | ||
| Wide Voice, LLC | 4 9% | |
| T-Mobile USA, Inc. | 2 5% | |
| 8X8, Inc. | 1 2% |
Source: NANPA CO codes of Oct 23, 2026.
Questions about area code 738
What area code is 738?
A California area code, in service since November 1, 2024.
Where is 738 area code, and what time zone is it in?
Los Angeles, CA; Pacific Time.
Why am I getting spam calls from 738?
26 FTC complaints from Sep 23 – Oct 22, 2026, most often about dropped calls or no message (not verified by the FTC; caller ID can be spoofed).
Will 738 get a new area code?
NANPA forecasts exhaust in 3Q 2042; no relief planning listed.