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510 (also referred to as Numbering Plan Area) is a numbering plan code designated for California. Phone area codes in North America were introduced in 1947.

Most of the telephone numbers in the numbering plan are assigned to United States and Canada with a small part assigned to some locations in the Caribbean

Alameda, Berkeley, Castro Valley, El Cerrito, Fremont, Hayward, Newark, Oakland, Richmond, San Leandro, San Lorenzo, San Pablo, Union City are the major cities located in NPA Code 510

510 Area - posts

Report for 1-5109528477 - 2020-10-31
Someone called my cell this morning from this number asking to talk to my ex, I tried calling back number and got "this account has been temporarily disconnected."

Report for 1-5109528477 - 2020-09-14
Same as the others. The person with the heavy India accent claimed to be from the IRS and that she was going to sue us. I played along and gave her a credit card number, then told her that I think the IRS will send letters. She hung up on me. LOL

Report for 1-5102617243 - 2020-08-28
I got this call and told them "No I don't know who you are I don't know who I owe money to - this was a wrong number for a guy - that was 10 years ago and now they are calling me to ask for him - I don't know how they got my number and I have told them I am not this person - they must have had my name correct - this is a scam if anyone cares please call me and let me know how i can contact someone to get this guy back - it's not my problem he is already past the statue of limitations and he is trying to use it as a form of extortion

Report for 1-5104907117 - 2020-08-21
Got a voicemail from this number from someone with an accent speaking to me, saying he is a police officer and wanted me to call back for a refund, for something that i can't recall. I tried calling it back and it never rang, and the person never picked up. Total scam.

Report for 1-5104907117 - 2020-04-01
They called me from (714) 925-8770 and (714) 925-5678 also this morning.I called the number back from a different phone and was told to wait but no one would answer.

Report for 1-5102044444 - 2020-02-27
Called twice within 15 minutes of each other. Claimed to be from an auto repair shop looking for the previous owner of my phone number who apparently didn't get a credit repair. I let the answer machine take the call because I figured it was an auto repair shop soliciting a call back about a 'business opportunity'. Claimed to be calling about something about auto repairs and my 'repairability'. Very persistent about wanting to speak to the previous owner of my phone number. I let the call roll to the end, but that was it.

Report for 1-5107546480 - 2020-02-25
Received the call, they left a message, they did not even ask for a name. Just saying my name.

Report for 1-5104619221 - 2020-02-19
Calls at least five times an hour ,never leaves message. I have called the number from time to time and always get a busy signal.

Report for 1-5104162121 - 2020-02-19
Called and says iCloud account breached & not use until I go to website.

Report for 1-5108738181 - 2020-02-15
Got my call today. Said same thing my husband was gonna take the job, gave me his name and number called us back said they where gonna call his job when he returns home that night and they did! I called them back from another phone, asked them when did it happen, what did they say, what do I need to do to clear the credit, they told me not to call them anymore, that we could have it take care of, told me it was not my debt! I said i am sorry but I do not have this, do you understand me? I said do the best that you can to clear my debt you will find a new creditor for it. I called them again told them that i had your fax i will mail you information to give to your new employer, the woman said do what you have to do and she is going to call again the next day.

Report for 1-5103756825 - 2020-02-05
Called left no message.

Report for 1-5105010494 - 2020-01-30
A person claiming to be a law enforcement officer from the federal government said i was being investigated for drug trafficking and money laundering and that they would arrest me if I did not comply

Report for 1-5102044444 - 2020-01-28
Called looking for someone and had a "lawsuit

Report for 1-5102561024 - 2020-01-24
Calls and doesn't leave a message; Caller ID says "UNAVAILABLE"

Report for 1-5102561024 - 2020-01-24
Keeps calling...annoying!!!!

Report for 1-5105219355 - 2020-01-22
Same deal with this call...no message left

Report for 1-5109250858 - 2020-01-16
I got two messages about them doing a "third attempt" to contact me and "give them a call" to avoid legal action against me. This is a scam. I do not understand why the government cannot shut these people down. And why the IRS does not do anything about this?

Report for 1-5104162121 - 2020-01-15
I've received this call from a female and a male with the same accent. I keep saying please do not call me again and they keep calling. They have been calling a lot. My wife is going to file a complaint for this type of harassment.

Report for 1-5104162121 - 2020-01-13
They call me at least 2 times a day every day. Sometimes twice in a row, and some times they call as early as 7am. No one ever says anything but they keep on calling.

Report for 1-5104162121 - 2019-12-15
Scam call about student loan forgiveness

Report for 1-5108738181 - 2019-12-12
Call to my mobile phone, no message left.

Report for 1-5104907117 - 2019-11-22
Scam call... "Hi, I'm not sure if you can hear me but you are to be the first with a no obligation no fee hospital discharge plan. Please be sure to contact me as soon as you can to discuss the details of this program press 1 ok" This is spamming!

Report for 1-5109250858 - 2019-11-19
No message

Report for 1-5107546480 - 2019-11-01
Just received a robo call from this number. Sounded like an automated message but no one was there when I answered it

Report for 1-5102044444 - 2019-10-21
Just received a call from Michael saying he will not release phone information until I gave him my phone number and date of birth to verify if he had the right person before he release information. I told him I didn't know a Michael and to please not ever call me or this number again. He said well good luck then and blocked my number.

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