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phone number overlap?

Discussion in 'GENERAL Wireless Discussion' started by codeblue8910, Aug 16, 2007.

  1. codeblue8910

    codeblue8910 New Member

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    ok here's the problem:

    recently I received a call on my cell from someone who demanded that I return "his phone".

    It turns out his phone had been stolen and he is calling it in the hopes of getting it back from the thief.

    of course, I've had my LG chocolate (on verizon) for almost a year and a half, and naturally, I asked the guy what was the phone number he dialed. He told me it, and it was an exact match to my number. He also told me that he had boost mobile as his provider. There was no way I had his phone, but our numbers were somehow the same.

    This got me thinking... boost (his provider) uses GSM, and verizon (mine) is on CDMA. Is it possible that the two companies were using some kind of number sharing? and when his sim card was removed all calls were transferred to my cell?

    I know it doesn't entirely make sense... I'm just throwing out guesses here. Is there anyone here with a similar experience or the technical expertise to provide an explanation?

    I'd appreciate any help.
     
  2. PCSuser

    PCSuser Senior Member
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    Welcome to Wireless Advisor!
     
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  3. codeblue8910

    codeblue8910 New Member

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    Thank you for the welcome... and for the quick reply :)

    Although I am almost certain that the caller wanted his phone back, not his number. He probably also lost the phone recently. My call log shows a succession of calls starting last week.

    As for the thing being a prank?

    well, he sounded a bit... agitated, genuinely.

    and also my voicemail contained messages for him from his contacts.

    I had my doubts, but I don't think a prank could be this elaborate.

    And you mentioned porting numbers between providers... how does that work?
     
  4. PCSuser

    PCSuser Senior Member
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    Well let us start off with the whole, him saying its his phone.

    First off how could he say you stole HIS phone, when you say that its not his NUMBER?

    I mean, you must of taken his number, and his phone. This raises the question did you steal it, find it, or what happened in that situation? And why did he not report it lost/stolen?

    So if this contained messages from his contacts then this PHONE must of been HIS, because the phone is attached to the NUMBER which also was his. So... how exactly did you get ahold of this phone (and his number)?

    Please explain a bit more - elaborate!
     
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  5. hf1khal

    hf1khal Who am I to judge
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    Ok I have to chime in, how about the area code of the phone? Could his phone numebr actualy has a diferent area code/ Also if he lost his phone, you should also find out when did that happen.
     
  6. codeblue8910

    codeblue8910 New Member

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    I see where you're coming from, since every phone number is unique;

    so if there is only one number to one phone, the phone is either his or mine. that's a given, right?

    and if it is not a prank, someone did lose his phone, according to the one phone, one number rule, I would have his phone. right?

    i dunno, lol. I'll say this

    I have been using my phone for a year and a half; I had purchased it.

    some guy calls me claiming his phone was stolen; the description of his phone does not match mine in any way.... but we have the same number.

    just trying to find some info... BTW how does porting work?
     
  7. hf1khal

    hf1khal Who am I to judge
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    Porting happens when one goes to a competing provider and wants to move his/her number over to that provider. The new provider then opens a new accoutn with the phone in tow and then takes it away from the older provider and the new provider also notifies the older provider that this nuber is no longer active with them and they effectively shut the number from thier system . Well this is in a nutt shell.
     
  8. TelcomJunkie

    TelcomJunkie Bad Handoff Investigator
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    I'm gonna wager one phone is the 510 area code and the other is a 341. Though he should be forced to do 10 digit dialing since he lives in an overlay, so it'd be a little weird for him to dial the wrong one.
     
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  9. TelcomJunkie

    TelcomJunkie Bad Handoff Investigator
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    When a number is ported and then canceled, it is returned to the original owner. So if a number was ported to Verizon from Boost and then the user cancelled their Verizon account the number would be returned to the Boost number pool.
     
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  10. TelcomJunkie

    TelcomJunkie Bad Handoff Investigator
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    Voicemails aren't contained on the phone, it sounds like the original poster is saying she's now finding his friends leaving messages in her voicemail box. So either his number is in another area code (either 510 or 341) or his number is very close to hers and they're simply mis dialing it.
     
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  11. Telekom

    Telekom Bronze Senior Member
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    Boost is iDEN not GSM.
     
  12. COtech

    COtech Bronze Senior Member
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    Let's have some data. What are the first seven digits of your phone number (123-456-7xxx)? Did you get all ten digits from the aggrieved caller? Where are you (and he), city or town name, and state.

    It's true, phone numbers have to be unique. They are only duplicated during porting temporarily; new carrier's phone could be outgoing only (with correct CID) and old carrier's phone could be incoming only (still has the world routing to it) for a short time. Updating the old carrier's switch to forward the contact info for the new carrier's switch, to any other switch with an incoming call for you is the last step.

    I could believe you have a last seven digit match with the Boost user, but all ten digits--no way. With your first seven digits, we could go to the North America Numbering Plan Administrator's site, and verify your number is currently a Verizon assigned number. With your location, I can check for Planning Letters about Area Code (NPA) splits there, also.

    With his contacts leaving him messages on your voice mail, I suspect that area code isn't being dialed (and a default is being supplied). If there's a Routing Table entry error on the Boost or Verizon networks (or somewhere else!), you'll need to collect some examples (that are repeatable) and need at least a third level technical support person.

    Summary: "My phone's number is ABC-987-6543, and I received calls fine from all over to that number. I also receive calls to DEF-987-6543 on my phone, dialed by callers on Podunk Valley Telco, and also callers on Wazho Wireless.."

    Keep track of the callers' numbers, and note the time also. (Note your location, too. Might not need it, but I'm not sure.) You can get the phone company names from the callers' numbers. (Well, if the caller ported you can easily get the original phone company. Tech support can easily get the current phone company.)

    COtech
     
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