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510 Area Code (California) Toll Free? Scam? Who's Calling?

The 510 area code is a three-digit area code that contains 10 unique phone numbers. It serves the state of California.

  • State

    California, CA

  • Major City

    Oakland

  • Timezone

    Pacific

  • Current Time

    2023-09-26 07:29:23

Phone Numbers That Start with 510

  • Phone Number
  • Caller Type
  • Comment
  • (510) 306-4001
    Claims To Be Sierra Club
    Person tried to have me use my credit card to donate money to help save with the climate change and other problems with the economy that's going on. Was asking for $400 dollars. The person said that the phone call was being recorded for their file purposes
  • (510) 313-7678
    Unknown
    Title: First: Carmen MI: Last : Castillo Address1: 448 Harvey St Address2: 19832 Address3: City: De Leon State: TX PostCode: Province: Vendor ID: Gender: U - Undefined Phone: 2548937290 DialCode: 1 Alt. Phone: Show: Email: Comments: Yes Medicare Pasid for this Device knees yer 10/10 4-18-1954 SSN
  • (510) 324-9442
    Comcast
    Called early a m
  • (510) 370-4591
    Unknown
    Received a call from 510-370-4591, no message so I automatically assume its a spam caller.
  • (510) 370-5662
    Debt Collector
    This person has called me continuous and is getting ridiculous
  • (510) 505-8963
    Scammer
    SCAMMER
  • (510) 560-7238
    Unknown
    I received two calls from this phone number within one minute. My phone automatically silences any number not in my contact list.
  • (510) 880-9559
    Scammer/Fraudster
    Please get on this quickly.
  • (510) 961-0491
    Scammer/Fraudster
    No one answered.
  • (510) 971-3634
    Text/SMS
    a woman is looking for her child a person from this number text her asking for sex or money to give her info. 510 971-3634

Major Counties Served by 510 Area Code

  • County
  • Total Population
  • % of 510
  • % of County
  • Alameda
    1,510,271
    76%
    49%
  • Contra Costa
    1,049,025
    24%
    16%

Major Cities Served by 510 Area Code

  • City
  • Total Population
  • % of 510
  • % of City
  • Oakland
    390,724
    15%
    100%
  • Fremont
    214,089
    16%
    99%
  • Hayward
    144,186
    12%
    97%
  • Berkeley
    112,580
    3%
    100%
  • Richmond
    103,701
    10%
    100%
  • San Leandro
    84,950
    3%
    100%
  • Alameda
    73,812
    4%
    100%
  • Union City
    69,516
    4%
    100%
  • Castro Valley
    61,388
    3%
    100%
  • Newark
    42,573
    3%
    100%
  • San Pablo
    29,139
    0%
    100%
  • Hercules
    24,060
    3%
    100%
  • El Cerrito
    23,549
    1%
    100%
  • San Lorenzo
    23,452
    1%
    100%
  • Ashland
    21,925
    0%
    100%
  • Albany
    18,539
    1%
    100%
  • Pinole
    18,390
    3%
    100%
  • Cherryland
    14,728
    0%
    100%
  • El Sobrante
    12,669
    1%
    100%
  • Piedmont
    10,667
    0%
    100%
  • Emeryville
    10,080
    0%
    100%
  • Fairview
    10,003
    1%
    100%
  • Rodeo
    8,679
    1%
    100%
  • Tara Hills
    5,126
    0%
    100%
  • Kensington
    5,077
    0%
    100%
  • North Richmond
    3,717
    0%
    100%
  • East Richmond Heights
    3,280
    0%
    100%
  • Crockett
    3,094
    0%
    100%
  • Rollingwood
    2,969
    0%
    100%
  • Montalvin Manor
    2,876
    0%
    100%
  • Bayview
    1,754
    0%
    100%
  • Port Costa
    190
    0%
    100%
  • Sunol
    913
    0%
    8%

Popular Phone Carriers

  • Landline

    Prefixes
    Carrier
    • 40%
      Pacific Bell
    • 3%
      Pac - West Telecomm
    • 2%
      Teleport Group - San Francisco
    • 2%
      Xo
    • 2%
      Mcimetro Access Transmission Services
    • 2%
      Mpower
    • 2%
      Bandwidthcom Clec
    • 15%
      Other
  • Wireless

    Prefixes
    Carrier
    • 9%
      Cingular
    • 7%
      Sprint
    • 7%
      Verizon Wireless
    • 2%
      Usa Mobility Wireless
    • 2%
      American Messaging (am)
    • 2%
      T-mobile
    • 1%
      Metro PCS
    • 2%
      Other

Statistics for Phone Prefixes in 510 Area Code

From these two pie charts, you can see the percentage of phone prefixes that have been assigned and the types of their usage.

Assigned

Usage

What Is the Location and Time Zone of Area Code 510?

510 is in the Pacific time zone.

What Is the Origin of Area Code 510?

Area code 510 was one of the original area codes established in California in 1947. It originally covered the East Bay region of the San Francisco Bay Area. But over the years, as the Bay Area grew, 510 was split into multiple new area codes. Today, 510 is only used for a small slice of the East Bay, including parts of Alameda and Contra Costa counties.So what is the origin of area code 510? The original area code 510 was created in 1947 as one of California's original area codes. It originally covered the East Bay region of the San Francisco Bay Area. But over the years, as the Bay Area grew, 510 was split into multiple new area codes. Today, 510 is only used for a small slice of the East Bay, including parts of Alameda and Contra Costa counties.

There's no definitive answer to the question of why area code 510 was chosen for the East Bay. Some say it was because 510 was the area code for Berkeley, which is located in the East Bay. Others say that the 510 area code was chosen because it was available at the time.

Whatever the reason, the 510 area code has been a fixture of the Bay Area for over 70 years. And even though it's no longer used for the entire East Bay, it's still an important part of our region's history.

What Areas Are Serviced by Code 510?

Code 510 is a California code that covers a wide range of service areas. If you're in need of assistance, Code 510 may be the answer. Here are some of the areas that Code 510 covers:Emergency services

Emergency preparedness

Fire prevention

Public safety

Regulatory compliance

And more!

So if you're in need of help in any of these areas, Code 510 may be the right solution for you. Contact them today to see how they can help you get the services you need.

Is Area Code 510 Toll Free of Charge?

510 is a California area code that is not toll free. If you are trying to call someone in the 510 area code, you will have to pay for the call.

How to Spot Scams in Area Code 510?

510 is a California area code, and as with any area code, there are bound to be scams. How can you spot a scam, and protect yourself?Sadly, scammers are getting more and more sophisticated. They can be very convincing, and it can be hard to tell them apart from legitimate businesses. However, there are some things you can look out for.

First, be aware of any upselling. A legitimate business will not try to pressure you into buying something you don't want or need. If someone is trying to sell you a product or service that sounds too good to be true, it probably is.

Second, be suspicious of any caller who refuses to give you their name or contact information. A legitimate business will be happy to provide this information. If the caller is evasive or refuses to answer your questions, it's probably a scam.

Finally, do your research. If you're not sure whether a business is legitimate, do a Google search to see what other people have said about it. Read reviews, and look for complaints. If a business has a lot of negative reviews, it's probably not worth your time or money.

By being aware of the warning signs, you can protect yourself from scams in area code 510.

How Can I Block Unwanted Calls from Area Code 510?

Area code 510 is associated with the East Bay Area of California. If you are receiving unwanted calls from this area code, there are a few ways you can block them.The first thing you can do is add the number to your contacts and designate it as "Do Not Answer." This will send the call straight to voicemail and you will not be bothered by it.

If you are using a landline phone, you can also block calls from a certain area code by adding it to your blacklist. This will prevent any calls from that area code from coming through.

If you are using a cell phone, you can block calls by using the built-in call blocker feature. This will allow you to block specific numbers or area codes.

No matter what type of phone you are using, there are several ways to block unwanted calls from area code 510. Try out the methods that work best for you and enjoy peace of mind.

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