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341 Area Code 🌍☎️

Area Code Profile · California

The 341 area code is located in the state of California and covers 33 cities, serving a total population of approximately 1,552,395. Major cities covered by the 341 area code include Oakland, Fremont, Hayward, Berkeley, Richmond (which represents the most populated areas). There are a total of 91 telephone prefix exchanges in this area code, which support an estimated 910,000 active or assignable phone numbers. These prefix lines are operated by 14 distinct carriers, with Oakland as the primary rate center location.

Pacific Time33 Cities91 Prefixes

Reverse Phone Lookup in Oakland, California

Unmask unknown callers, verify telemarketing reports, and view detailed owner information for any phone number beginning with area code (341).

How it works

1

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Provide any 10-digit phone number starting with the (341) area code.

2

Database Search

Our system scans public registries, carrier mappings, and spam reports.

3

Reveal Report

Access location details, line type, carrier, owner information, and safety levels.

Neighborhood Demographics

Calculated demographics and census summary estimations for area code 341.

38.9 y/oMedian Age
$94,400Median Income
$429,000Median Home Value
1,552,395Total Population

Telemarketer Complaints

Most recent complaints and comments for phone numbers beginning with 341.

Did you receive an unwanted call from a (341) phone number?

Help the community identify spammers by filing a comment.

(341) 772-6677May 18, 2026Robocall
Robocall regarding health insurance plans. Said my current coverage was expiring and offered a "free consultation". Calling multiple times a day from slightly different numbers.
See Details
(341) 785-6694May 17, 2026Scam / Fraud
Robocall claiming to be from the IRS. Stated that my Social Security Number has been flagged and suspended. Asked to press 1 to speak with an agent. Obvious phishing scam.
See Details
(341) 798-6711May 16, 2026Robocall
Received a silent call. When I answered, there was just dead air for 5 seconds before it automatically disconnected. Likely an automated system testing for active numbers.
See Details
(341) 811-6728May 20, 2026Telemarketer
Offered an unsolicited quote for local roofing and home energy services. They knew my area code but when I asked how they got my number, they hung up immediately.
See Details
(341) 824-6745May 19, 2026Debt Collector
Automated voice caller looking for someone named David. Keeps calling repeatedly asking to settle a debt. I have had this number for years and don't know David.
See Details

Cities in the 341 Area Code

The most populous cities in area code 341 are: Oakland (390,724), Fremont (214,089), Hayward (144,186), Berkeley (112,580), and Richmond (103,701).

Other cities in the 341 area code include:

San Leandro, Alameda, Union City, Castro Valley, Newark, San Pablo, Hercules, El Cerrito, San Lorenzo, Ashland, Albany, Pinole, Cherryland, El Sobrante, Piedmont, Emeryville, Fairview, Rodeo, Tara Hills, Kensington, North Richmond, East Richmond Heights, Crockett, Rollingwood, Montalvin Manor.

CityPopulation% in Area Code
Oakland390,724100%
Fremont214,08999%
Hayward144,18697%
Berkeley112,580100%
Richmond103,701100%
San Leandro84,950100%
Alameda73,812100%
Union City69,516100%
Castro Valley61,388100%
Newark42,573100%
San Pablo29,139100%
Hercules24,060100%
El Cerrito23,549100%
San Lorenzo23,452100%
Ashland21,925100%
Albany18,539100%
Pinole18,390100%
Cherryland14,728100%
El Sobrante12,669100%
Piedmont10,667100%

Showing top 20 of 33 cities.

What Time Zone is Area Code 341?

Pacific Time Zone

Abbreviation: PT · UTC Offset: UTC-8

The 341 area code lies within the Pacific Time Zone (PT, UTC-8).

Nearby Area Codes

209Stockton, California213Los Angeles, California279Sacramento, California310Los Angeles, California323Los Angeles, California350Stockton, California369Santa Rosa, California408San Jose, California415San Francisco, California424Los Angeles, California

Phone Prefixes in the 341 Area Code

91 prefixes found · 14 carriers · 13 rate centers

PrefixCarrierRate Center
(341) 200FRACTEL, LLCHRCUL-RODE
(341) 201TELNYX LLCFRNK OLIVR
(341) 202TELEPORT COMMUNICATIONS AMERICA, LLC - CAOKLD MN-PD
(341) 203CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CARICHMOND
(341) 204BANDWIDTH.COM CLEC, LLC - CAFRNK GRNLF
(341) 205BANDWIDTH.COM CLEC, LLC - CAOKLD MN-PD
(341) 206CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CAFRNK MAIN
(341) 207BANDWIDTH.COM CLEC, LLC - CARICHMOND
(341) 208NEW CINGULAR WIRELESS PCS, LLCHAYWARD
(341) 209BANDWIDTH.COM CLEC, LLC - CAFRNK OLIVR
(341) 210BANDWIDTH.COM CLEC, LLC - CAOKLD ALMD
(341) 212TELNYX LLCOKLD BKLY
(341) 213T-MOBILE USA, INC.OKLD MN-PD
(341) 214NEW CINGULAR WIRELESS PCS, LLCHRCUL-RODE
(341) 215BANDWIDTH.COM CLEC, LLC - CARICHMOND
(341) 216BANDWIDTH.COM CLEC, LLC - CAFRNK MAIN
(341) 217BANDWIDTH.COM CLEC, LLC - CAOKLD ALMD
(341) 218COMCAST IP PHONE, LLCOKLD FRTVL
(341) 219U.S. TELEPACIFIC CORP. DBA TPX COMMUNICATIONSOKLD BKLY
(341) 220TELEPORT COMMUNICATIONS AMERICA, LLC - CAOKLD MN-PD
(341) 221T-MOBILE USA, INC.HAYWARD
(341) 222FRACTEL, LLCOKLD FRTVL
(341) 223COMMIO, LLCOKLD ALMD
(341) 224NEW CINGULAR WIRELESS PCS, LLCFRNK MAIN
(341) 225NEW CINGULAR WIRELESS PCS, LLCFRNK GRNLF
(341) 226FRACTEL, LLCOKLD FRTVL
(341) 227NEW CINGULAR WIRELESS PCS, LLCFRNK OLIVR
(341) 228CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CAFRNK MAIN
(341) 229ONVOY, LLC - CAOKLD MN-PD
(341) 230ONVOY, LLC - CARICHMOND
(341) 231T-MOBILE USA, INC.ELSBR-PINL
(341) 232ONVOY, LLC - CAHAYWARD
(341) 233NEW CINGULAR WIRELESS PCS, LLCFRNK MAIN
(341) 234FRACTEL, LLCOKLD ALMD
(341) 235NEW CINGULAR WIRELESS PCS, LLCFRNK GRNLF
(341) 236NEW CINGULAR WIRELESS PCS, LLCFRNK OLIVR
(341) 237ONVOY, LLC - CAOKLD BKLY
(341) 238ONVOY, LLC - CAOKLD FRTVL
(341) 239ONVOY, LLC - CAOKLD ALMD
(341) 240T-MOBILE USA, INC.HAYWARD
(341) 241ONVOY, LLC - CAHAYWARD
(341) 242T-MOBILE USA, INC.RICHMOND
(341) 243COMMIO, LLCHRCUL-RODE
(341) 244T-MOBILE USA, INC.OKLD TRNID
(341) 245ONVOY, LLC - CAHAYWARD
(341) 246ONVOY, LLC - CAFRNK OLIVR
(341) 247ONVOY, LLC - CARICHMOND
(341) 248ONVOY, LLC - CAFRNK GRNLF
(341) 249NEW CINGULAR WIRELESS PCS, LLCFRNK GRNLF
(341) 250ONVOY, LLC - CAOKLD FRTVL
(341) 251T-MOBILE USA, INC.ELSBR-PINL
(341) 299FRACTEL, LLCOKLD TRNID
(341) 300FRACTEL, LLCRICHMOND
(341) 314ONVOY, LLC - CAELSBR-PINL
(341) 333FRACTEL, LLCOKLD BKLY
(341) 336FRACTEL, LLCFRNK GRNLF
(341) 342ONVOY, LLC - CAFRNK OLIVR
(341) 344SONIC TELECOM, LLC - CAOKLD TRNID
(341) 345FRACTEL, LLCFRNK MAIN
(341) 348FRACTEL, LLCFRNK MAIN
(341) 356FRACTEL, LLCFRNK MAIN
(341) 386FRACTEL, LLCHAYWARD
(341) 388FRACTEL, LLCRICHMOND
(341) 400FRACTEL, LLCOKLD FRTVL
(341) 420SONIC TELECOM, LLC - CAOKLD FRTVL
(341) 441SONIC TELECOM, LLC - CAOKLD MN-PD
(341) 444FRACTEL, LLCCROCKETT
(341) 465FRACTEL, LLCFRNK MAIN
(341) 500FRACTEL, LLCELSBR-PINL
(341) 512SONIC TELECOM, LLC - CAOKLD BKLY
(341) 529FRACTEL, LLCFRNK MAIN
(341) 587FRACTEL, LLCFRNK GRNLF
(341) 600FRACTEL, LLCELSBR-PINL
(341) 666FRACTEL, LLCOKLD TRNID
(341) 667FRACTEL, LLCOKLD FRTVL
(341) 688TON80 COMMUNICATIONS, LLCOKLD BKLY
(341) 699FRACTEL, LLCOKLD MN-PD
(341) 732FRACTEL, LLCELSBR-PINL
(341) 758FRACTEL, LLCOKLD FRTVL
(341) 766FRACTEL, LLCOKLD BKLY
(341) 777WIDE VOICE, LLC - CAHAYWARD
(341) 786FRACTEL, LLCFRNK MAIN
(341) 799FRACTEL, LLCRICHMOND
(341) 800FRACTEL, LLCHAYWARD
(341) 837TON80 COMMUNICATIONS, LLCELSBR-PINL
(341) 888WIDE VOICE, LLC - CAFRNK MAIN
(341) 895ONVOY, LLC - CAOKLD ALMD
(341) 899FRACTEL, LLCOKLD TRNID
(341) 900FRACTEL, LLCCROCKETT
(341) 946FRACTEL, LLCOKLD BKLY
(341) 999FRACTEL, LLCRICHMOND

Frequently Asked Questions

Where is area code 341?
Area code 341 is located in California, covering cities including Oakland, Fremont, Hayward.
What time zone is area code 341?
Area code 341 is in the Pacific Time Zone (PT, UTC-8).
What state is area code 341?
Area code 341 is in California.