Website SEO optimization question: Please don't answer unless you know what you're talking about.?

don't need "opinions" here please don't answer if thats have. need backup answer fact. question: 1 of clients has page on website named after every city , suburb services, 70, can't decide whether helps or hurts seo. here example of one, think?
http://the-floorman.com/locations/addiso...

i don't need "opinions" here please don't answer if thats have. need backup answer fact. question: 1 of clients has page on website named after every city , suburb services, 70, can't decide whether helps or hurts seo. here...

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