555-236-801
From Tardis Wiki, the free Doctor Who reference
555-236-801 was the toll free number of Geocomtex, as advertised on their website.
On the page "GEOCOMTEX - Support Site & FAQS", it suggested that the reader "give [them] a shout" with it if they had a problem with one of their products. (PROSE: Support Site & FAQS [+]Loading...["Support Site & FAQS (feature)"])