Area code 341 covers Oakland and surrounding areas in California. It was activated in 2019 as an overlay of area code 510. Today it shares its territory with overlay code 510. For the full picture, see all California area codes.
| State | California |
|---|---|
| Primary city | Oakland |
| Cities also served | Oakland, Berkeley, Fremont, Hayward, Richmond, Alameda, Emeryville, San Leandro |
| Time zone | Pacific (UTC-8 / UTC-7 DST) |
| Year established | July 22, 2019 |
| Original 1947 NPA? | No |
| Parent code | 510 |
| Overlay codes | 510 |
| Currently in use? | Yes, actively assigned |
| Ten-digit dialing required? | Yes |
Cities Served by Area Code 341
Area code 341 serves East Bay region of the San Francisco Bay Area, covering western Alameda County and parts of Contra Costa County, including the following cities and communities:
- Oakland
- Berkeley
- Fremont
- Hayward
- Richmond
- Alameda
- Emeryville
- San Leandro
Nearby area codes covering the same broader region include: 510, 925, 415, 650, 408.
How to Get a 341 Phone Number
There are three ways to get a phone number with the 341 area code, each suited to a different need:
- Buy from a premium-number specialist. Companies that hold curated inventories of specific area codes can sell you a 341 number directly, often with a one-time fee and ownership transferred to you (no recurring carrier fees). This is the option for picking a specific memorable number, or for getting an area code that most carriers won’t let you request. Contact us about a 341 number.
- Sign up with a VoIP carrier. Voice-over-IP services (such as Google Voice, OpenPhone, Grasshopper, and many others) can typically provision a 341 number on request, especially for active overlay codes. You won’t usually get to pick the specific number, but you’ll get a working line in the area code. This is the cheapest option for anyone who doesn’t need a particular number.
- Port an existing 341 number. If you already have a 341 phone number with another carrier, you can transfer it (port it) to a new service provider while keeping the number. This works for landlines, cell phones, and VoIP services, though landlines outside of California sometimes can’t accept inbound ports of 341 numbers due to 911 routing rules.
212areacode.com specializes in Manhattan 212 numbers and select premium area codes. We don’t currently maintain a 341 inventory, but we may be able to source a 341 number through our carrier relationships. Contact us with your requirements and we’ll let you know what’s available.
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Browse 341 Numbers →Frequently Asked Questions
Is the 341 area code still in use?
Yes. 341 is actively assigned to new phone lines in East Bay region of the San Francisco Bay Area, covering western Alameda County and parts of Contra Costa County.
What is the difference between 341 and 510?
Today they share the same geographic territory in California. New phone lines in the area may be assigned either code. The two codes work identically for calling, billing, and service.
What is the parent area code of 341?
Area code 341 is an overlay of 510. Both codes serve the same region of California.
Can I get a 341 number if I don't live in California?
Yes. Phone numbers are no longer tied to a physical address. With VoIP service or a number broker, you can hold a 341 number from anywhere in the world. The number routes to whatever device or carrier you specify.
Is 341 a scam area code?
No. 341 is a legitimate, active area code for East Bay region of the San Francisco Bay Area, covering western Alameda County and parts of Contra Costa County. Like any area code, scammers occasionally spoof 341 caller IDs, but the code itself is heavily used by real California businesses, government offices, and residents.
What cities does the 341 area code cover?
Area code 341 covers the East Bay region of the San Francisco Bay Area, including Oakland, Berkeley, Fremont, Hayward, Richmond, Alameda, San Leandro, and Emeryville, primarily within western Alameda County and parts of Contra Costa County.
Is 341 an overlay of 510?
Yes. Area code 341 is a full overlay of area code 510, meaning both codes serve the identical geographic territory simultaneously. New subscribers may be assigned either a 341 or 510 number, and ten-digit dialing is required for all calls in the region.
When did area code 341 go into service?
Area code 341 went into service on July 22, 2019. It was the 411th area code activated in the United States and the 35th in California, created to relieve number exhaustion in the 510 area code.
Do I need to dial 10 digits when calling a 341 number?
Yes. Because 341 is an overlay of 510, ten-digit dialing (area code + seven-digit number) became mandatory in the East Bay on June 22, 2019, one month before 341 numbers were first assigned.
