"reachable through" is correct and usable in written English.
You can use it when referring to something that can be accessed or reached in a particular way. For example, "The store is reachable through the main entrance."
It is reachable through one of Kabul's narrow alleyways.
Also added at that time was a wing with a living area and a bedroom reachable through the kitchen.
Online users tend to be more actively engaged; their experience defined by what is reachable through hyperlinks and searches.
More coverage of the Mexican Elections is available on the CLAS Facebook page, which is reachable through clas.berkeley.edu.edu
Our 850 part-time MBA students have deep industry experience and are reachable through CareerNet, our online jobs board.
The compact shop, which opens next week, is behind the restaurant, reachable through a rusted gate and a charming little brick courtyard.
What's more, the terrace was reachable only through a high window.
In practice, savvy holders of Web addresses know they can circumvent the system by entering fake information -- resulting in Web sites registered to John Q . Smithon 1234 Main Street or a site owner reachable only through a cryptic e-mail address.
I would add that keeping God -- or the unknowable -- away from human experience and making it reachable only through another remote entity -- Jesus as an exclusive "son" -- enabled Westerners to go about their business and let the spiritual, religious aspect of our lives be "handled" by special intermediary interpreters.
RESTful application programming interface makes it especially useful for data sharing since the entire database's contents are reachable programmatically through the web application [26].
The average number of TTs reachable not through LSCC is 103 (for 117 TFs outside LSCC).
