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a trend on twitter where a person has the same exact phone number as you but the last digit is either higher or lower
mike: i’m gonna text my number neighbor, since my number is (231)465-321 their number must be (231)465-322 or (231)465-320

not a real phone number (i think)
by tttrashcannn August 05, 2019
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2
Someone with same number as you but the last digit is one off.

Ex: 123-456-7891
The number neighbors would be

123-456-7890

123-456-7892
My number neighbor just texted me and he's really weird. His numer ends in 1234 and mine is 1235
by savvymcjay August 08, 2019
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4
Someone who has the same phone number as you, besides the last digit.
Greg: Hey, Karla, what's your number?

Karla: (719):558-9013

Greg: Hey! We're number neighbors! Mine's (719):588-9016.
by MrLemon333 August 06, 2009
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5
The person who’s number is identical to yours besides the last number which is one up or down. When you text them they usually get really pissed off really quickly.
Person 1: Hey your my number neighbor!!
Person 2: go die in a ditch
via giphy
by Ray????? August 10, 2019
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