Numbers starting with 650-538 in San Mateo, CA
This page collects user-reported phone numbers starting with 650-538, a prefix associated with San Mateo, CA and listed under U.S. TELEPACIFIC CORP. - CA.
What stands out about this prefix
This prefix currently has 12 reported numbers listed. The latest visible activity for this prefix was recorded on Mar 19, 2022.
In the deduplicated comment sample, the most frequent label is unknown; other labels include ssn scam.
The reference data for this prefix points to San Mateo, CA. In the available metadata, this range is labeled as landline. The listed carrier for this prefix is U.S. TELEPACIFIC CORP. - CA. Because this prefix belongs to area code 650, it can also be compared with broader reporting patterns across that area code.
Common themes in recent reports
Themes supported by at least two distinct deduplicated comments include nuisance.
How this prefix is being reported
These categories come from classified user reports tied to numbers starting with 650-538. They help show whether reports cluster around one kind of call or are spread across multiple patterns.
Recent comment examples
The comments below are recent examples from reports tied to numbers starting with 650-538. 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.
1-650-538-2238
Nuisance call since there is no message, the line remains silent. Rang twice around 9am today.
1-650-538-3151
Who called me from the number 6505383151 ? 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…
1-650-538-6807
Alon Cohen is SCAM caller
1-650-538-3922
I picked up but no one responded so I am assuming that it is some form of auto-connect on voice system, I had music in background which may have confused it. No idea yet if it is nuisance sales type call or criminal spam…
1-650-538-3893
Can anybody help me with the number 6505383893 ? Called me 3 times. Ididn't answer it . Any information, details about it? Is it safe to answer? I'm really happy that this site exists. Thank you guys in advance
1-650-538-3840
CID is "Unknown". Will call twice a day with no message left. Reported to NOROUBO several times.
1-650-538-3840
This is not a number I know or recognise and there is no caller ID. It's either marketing or spam
1-650-538-3996
This is not a number I know or recognise and there is no caller ID. It's either marketing or spam
1-650-538-3901
Nuisance call since there is no message, the line remains silent. Rang twice around 9am today.
1-650-538-3896
don't know who this number belongs to