Got a phone call from this number. The caller left no voice message.

Further web research indicates linkage to full-blown text spam operation linked to website "24hrcashsite.com" and tels/text nrs: 214384; 215.882.3086; 301.533.6638; 405.389.3635; a large block of 480.823.18xx & 480.823.19xx tels; 717451; and 818.620.4904.   Website domain "24hrcashsite.com" registered along with large blocks of other "24...." SPAM-looking domains on same day on 2009.10.30 and again on 2011.04.27.  Recovered full text msg: <Do you need some money this week? hassle-free 2 minute loan from for up to $1500, without a credit check. "stop" to unsubscribe.>  Some SPAM text message attacks were so bad that victim cell phones had to be turned off to stop the incoming flow of multiple text messages.

2011.06.02: Unsolicited text msg to mobile phone:  "Do you need money this..."
(Note: same text msg from tel 480.823.1894 on 2011.05.24)