Numbers starting with 510-991 in Oakland, CA
This page collects user-reported phone numbers starting with 510-991, a prefix associated with Oakland, CA and listed under MATRIX TELECOM.
Reported numbers
4
Reports in last 7 days
0
Reports in last 30 days
0
Last activity
Jun 29, 2022
Location
Oakland, CA
Number type
Landline
What stands out about this prefix
This prefix currently has 4 reported numbers on who-called.us. The latest visible activity for this prefix was recorded on Jun 29, 2022.
Among the deduplicated comments analyzed, 6 were classified as unknown.
The reference data for this prefix points to Oakland, CA. In the available metadata, this range is labeled as landline. The listed carrier for this prefix is MATRIX TELECOM. Because this prefix belongs to area code 510, it can also be compared with broader reporting patterns across that area code.
How this prefix is being reported
These categories come from classified user reports tied to numbers starting with 510-991. They help show whether reports cluster around one kind of call or are spread across multiple patterns.
Type
Reports
Share
Unknown
6
100%
Recent comment examples
The comments below are recent examples from reports tied to numbers starting with 510-991. They add real wording and context that category labels alone cannot show.
Recently reported numbers
The list below shows recently active numbers tied to this prefix.
1-510-991-8274
This number 5109918274 called me yesterday when I was driving. Then it called me again in the morning but I was at work and couldn't answer it. I was trying to call back several times but the line was engaged. They calle…
1-510-991-2859
Who called me from the number 5109912859 ? Received a call this morning. I didn't answer, no message left. It is very hard to find any info about this number. I thought that in such portals there is already some info abo…
1-510-991-5015
I would receive this phone number 5109915015 on my landline at home for the past month. They are calling mostly during the day time. The caller ID does not list who is calling other than the phone number. The caller woul…
1-510-991-0003
When an unknown number like the one 5109910003 is calling I never answer. I don't like telemarketers. If it was something important they would leave a voice message. But they didn't. I think it is another telephone ad.
1-510-991-0003
Called me twice in one day, when I answered each time no one was said anything. Waste of my time. They called from the 5109910003 . Today 6/11/2020 early in the morning
1-510-991-0003
Someone called me from the number 5109910003 . After the phone quits ringing and goes to Voice Mail they hung up and didnt leave any voice message. I suggest to not answer the phone when the caller phones you. The caller…