341 area code
Where the 341 area code is, its overlay and how to dial a +1 341 number from anywhere.
The 341 area code is in California, United States (Pacific (PT)). To call from abroad: +1 341 555-0123. It is an overlay, so all 10 digits are dialled.
The 341 area code is a geographic North American Numbering Plan (NANP) code covering California. It has been in service since 25-Jun-2018 and sits in the Pacific (PT) time zone.
How to dial a 341 number
+1 341 555-01231 341 555-0123341 555-0123Other California area codes
Frequently asked questions
Where is the 341 area code?
The 341 area code is in California, United States (Pacific (PT)).
Is 341 an overlay area code?
Yes. 341 overlays the same region as 510, so callers dial all 10 digits.
Do I have to dial 10 digits for 341?
Yes — dial the area code plus the seven-digit number.
How do I call a 341 number from another country?
Dial your exit code (or +), then 1, then 341, then the number: +1 341 555-0123.
Source: NANPA numbering plan. An area code covers a region, not a precise address — a 341 number does not pinpoint a street or ZIP code.
Number holders in area code 341
Each prefix (the three digits after the area code) is assigned by NANPA to one telephone company. 127 prefixes are in use in 341, shared by 18 companies. The largest holders:
| Company | Prefixes | Share |
|---|---|---|
| Fractel, LLC | 33 | 26% |
| Onvoy, LLC | 24 | 19% |
| T-Mobile USA, Inc. | 12 | 9% |
| New Cingular Wireless PCS, LLC | 12 | 9% |
| Multiple Ocn Listing | 9 | 7% |
| Bandwidth.Com CLEC, LLC | 8 | 6% |
Source: NANPA central office code assignments. A number keeps its original prefix when it is ported to another carrier.
Complaints about 341 numbers
- Reports to the FTC, last 30 days
- 137
- Recorded messages or robocalls
- 80%
- Rank among area codes
- #362 of 670
- Most reported subjects
- Reducing your debt (credit cards, mortgage, student loans) (55)
- Other (48)
- Dropped call or no message (14)
Period Aug 26 – Sep 24, 2026. These are the numbers shown on the caller ID of the reported calls; many are spoofed and do not belong to the real caller.
Source: US Federal Trade Commission, Do Not Call reported calls data (daily files).
All US area codes United States +1 Map of area code 341 — cities & rate centres