Learn more about this area code and exchange and where the caller may be located.
The phone exchange is the three digits after the area code and before the extension. An example is (510) 991-XXXX where 991 is the exchange number. It enables telephone line extensions to be interconnected in a local area based on a specific geographic assignment.
The (510) 991 exchange is located within the 510 area code in San Francisco-Oakland-San Jose, CA. It connects landline numbers from the Onvoy carrier in Alameda county. Associated zip codes include 94587.
Potentially, callers could keep their phone numbers even if they move away, so a caller may be located in San Francisco-Oakland-San Jose, CA or elsewhere. You can use a reverse phone lookup to help find the registered address for a potential caller.
People are Saying:
(510) 991-1001 - January 18th, 2012 7:52pm
Calls and doesn't leave a message. I called them and they just answer the phone "hello". Must be a scam. Why wouldn't they answer with a company name? Ha. It can't be legit.
(510) 991-1001 - February 19th, 2012 6:33pm
They call me at least 2 times a day!!! When I ask to remove my number from calling list they **** up on me and call a***n a few hours later. UGH
(510) 991-1001 - February 21st, 2012 12:11am
I'm tired of their aggravating calls too how do they get our phone numbers
(510) 991-1001 - February 17th, 2012 4:47pm
they call my number at least once a week, & im sick of it.
(510) 991-1001 - January 25th, 2012 4:45pm
Scam I get this about once a month!!
(510) 991-1001 - February 18th, 2012 7:32pm
they are really weak
(510) 991-1001 - February 18th, 2012 7:32pm
they are really weak
(510) 991-1001 - February 18th, 2012 4:37pm
They must be bored
(510) 991-1001 - February 24th, 2012 12:22am
****er
(510) 991-1001 - February 12th, 2012 8:38pm
scam
(510) 991-1001 - December 24th, 2011 12:43am
i am getting calls on my house phone and Its only getting me to the point where im going to call the authorities cuz Its quite annoying. Dont give them any info! i think they are trying to scam you for your account number by asking if you need a loan! please dont do it!
(510) 991-1001 - December 16th, 2011 6:25pm
This is a scam dont give them any info
(510) 991-1001 - September 1st, 2011 5:35pm
quit calling me too, you are very irritating
(510) 991-1001 - September 22nd, 2011 10:31pm
get off ur**** and get a real job!!
(510) 991-1001 - September 13th, 2011 11:30pm
Do not call me!