Area code
Area code 341 — Oakland, CA
California · in service since July 22, 2019
Area code 341 covers parts of California; the place with the most of its prefixes is Oakland. It is an overlay: 510 serves the same area, so neighbors can have different area codes.
Overlay, same area: 510
Local time in Oakland
Spam reports from Sep 23 – Oct 22, 2026
Average #336 of 461 codes
196 FTC complaints
Consumer reports, not verified by the FTC.
See the reports- Time zonePacific Time
- Local calls1 + 10 digits
- Prefixes128 assigned
- Runs out~4Q 2073
- Unwanted call?Block & report
Spam call reports about 341 numbers
Complaints by week
Sep 11 – Oct 22, 2026Show as table
| Week starting | Complaints |
|---|---|
| Sep 7 (3 days) | 8 |
| Sep 14 | 41 |
| Sep 21 | 43 |
| Sep 28 | 48 |
| Oct 5 | 37 |
| Oct 12 | 32 |
| Oct 19 (4 days) | 52 |
Compared with all codes
- Robocalls
- 78%all codes 75%
- Callers with the same code
- 11%all codes 35%
- Rank by complaints
- #336of 461 · middle half
- FCC complaints, Oct 2025 – Sep 2026
- 304 about text messages
What the calls were about
Sep 11 – Oct 22, 2026
| Subject | Complaints | |
|---|---|---|
| Reducing your debt (credit cards, mortgage, student loans) | 99 38% | |
| Calls pretending to be government, businesses, or family and friends | 17 7% | |
| Dropped call or no message | 13 5% | |
| Medical & prescriptions | 11 4% | |
| Charities | 4 2% | |
| Home improvement & cleaning | 3 1% |
Where the people who complained live
Sep 11 – Oct 22, 2026
| State | Complaints | |
|---|---|---|
| California | 84 32% | |
| Florida | 17 7% | |
| New York | 14 5% | |
| Illinois | 12 5% | |
| Texas | 11 4% |
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 341 location and prefixes
| Exchange (NANPA) | Place | County | Prefixes |
|---|---|---|---|
| FRNK MAIN | — | — | 16 |
| HAYWARD | Hayward | Alameda County | 13 |
| OKLD BKLY | Berkeley | Alameda County | 12 |
| OKLD FRTVL | Oakland | Alameda County | 10 |
| RICHMOND | Richmond | Contra Costa County | 10 |
| ELSBR-PINL | — | — | 9 |
| FRNK GRNLF | — | — | 8 |
| FRNK OLIVR | — | — | 8 |
| OKLD MN-PD | Oakland | Alameda County | 8 |
| OKLD ALMD | Alameda | Alameda County | 7 |
Plus 3 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
- June 25, 2018
- Local dialing
- 1 + 10 digits (NANPA: 1+10D)
- NANPA planning letters
- PL-518
Source: NANPA, NPA database of Oct 24, 2026.
Is 341 running out of numbers?
Previous forecast (October 2025): 2068, moved later by 5 years.
Forecast exhaust year by edition
Source: NANPA NRUF forecast, April 2026 edition.
Who holds 341 prefixes
The five largest of 18 original holders
As listed by NANPA, not today’s carrier.
| Holder (as listed) | Prefixes | |
|---|---|---|
| Fractel, LLC | 33 26% | |
| Onvoy, LLC | 24 19% | |
| New Cingular Wireless PCS, LLC | 12 9% | |
| T-Mobile USA, Inc. | 12 9% | |
| Multiple Ocn Listing | 9 7% |
Source: NANPA CO codes of Oct 23, 2026.
Questions about area code 341
What area code is 341?
A California area code, in service since July 22, 2019.
Where is 341 area code, and what time zone is it in?
Oakland, CA; Pacific Time.
Why am I getting spam calls from 341?
196 FTC complaints from Sep 23 – Oct 22, 2026, most often about debt reduction (not verified by the FTC; caller ID can be spoofed).
Will 341 get a new area code?
NANPA forecasts exhaust in 4Q 2073; no relief planning listed.