The 10-digit number would be "800-SEL-L4CA" where the "SH" at the end could be omitted; I say could because that main number might rely on those other digits to serve like an extension of sorts.

BTW in 1999 I had a digital camera a lot like this one and I would drive neighborhoods and take pictures then mail the owner an 8.5x5.5 postcard with the pic on it.  

Also do you think its better to avoid mailers and stick with Digital marketing via SEO and PPC only?

Shortcodes are 5-6 digit numbers, example, 818181 the easier to remember the better.

The market is changing and we cant ignore the digital world of marketing. 

It's a keyless digital access system for communities where residents can remotely open the various entry points, and management can keep track of who is entering the property (not to mention it eliminates the cost and headache of having to deal with gate keys and fobs!).

As the owner of YellowLetters.com and calltext.com I can say both direct mail and digital is required to successful. 

Real Estate Investing has never been more difficult mainly because of today's digital environment.

In todays digital arena I can append a telephone number and email address to a property location with ease.