Area code 240
Anonymous is reporting 240-500-1823:

Never heard anything like this one.

Reported 1, Sep. 2015.
RP is reporting 240-308-7005:

Today (08/31/2015), between 8:45 and 9:00 a.m., I received three phone calls from this number. The caller did not let the phone ring long enough to activate my voice mail.

Reported 1, Sep. 2015.
Anonymous is reporting 240-377-0889:

Looked up the number in an online database and it seems this is a scam for a security system installation.

Reported 31, Aug. 2015.
Anonymous is reporting 240-720-2829:

Claiming to be IRS and must call back ASAP or charges will be brought against me. Didnot specify who is being sought.

Reported 31, Aug. 2015.
Anonymous is reporting 240-986-2368:

It has called repeatedly for the last several weeks.

Reported 28, Aug. 2015.
Anonymous is reporting 240-803-0989:

Included in the message the caller speaks of a home mortgage and that I need to act fast stating that they are the IRS.

Reported 28, Aug. 2015.
Anonymous is reporting 240-720-2416:

If you do answer it no one is there.

Reported 28, Aug. 2015.
julie is reporting 240-204-8750:

I did not answer and they did not leave a message.

Reported 27, Aug. 2015.
Anonymous is reporting 240-324-0138:

I've received several calls from these people, with various actors playing a clerk who wants to know where to send my device, which has already been paid for.

Reported 27, Aug. 2015.
Anonymous is reporting 240-704-6511:

I work over night so these calls wake me up get one at least once or twice a month!

Reported 27, Aug. 2015.
Anonymous is reporting 240-573-7964:

I received 2 calls from this number.

Reported 25, Aug. 2015.
Anonymous is reporting 240-480-4129:

I have told them many times not to call.

Reported 24, Aug. 2015.
Exchanges in the area code 240, Maryland