Who called from 336280003

3rd SMS today 1/24/13 (half hour or so apart) from vtext.com:

1st  from "[email protected]: (California CU) Call: 215-310-0133. Your immediate attention is needed."
Never had contact with phone number, text address or California CU.

2nd SMS from vtext just erased as I was tring to make a call.

3rd SMS Fr:[email protected] (DCCU) California C.U. account suspension. Call at 847-485-1444

How can I stop these texts? I have Verizon.

2/24/13, 11:50 a.m. got a text from 561.303.7582, message: "LOL..." and a http://bit... link

2/24/13, 2:11 p.m. got a text from [email protected], message: "(California CU) Call: 216.310.0133. Your immediate attention is needed."

2/24/13, 2:32 p.m. got a text from [email protected], message: "(DCCU) California.C.U. account suspension. Call at 6306168912

2/24/13, 3:08 p.m. got a text from [email protected], message: "(DCCU) California.C.U. account suspension. Call at 8474851444."

2/25/13, 1:34 p.m., got a text from [email protected], message: "(Extra) [Call at 530.616.8912] California C.U. issue"

Clearly, this is not normal... can someone please tell me how I can stop these texts. I have no business with these people with these #'s or vtext.com. Any help/advice will be greatly appreciated.