The back-end could be using bcrypt with a ridiculous work factor, and server security could be state of the art, but choosing your phone number as a password will always be a poor decision.
Always? OK, I've reset my HN password to [one of] my phone number. So you can log in as me now?
No of course you can't. You don't even know how many digits it is, did I include + for an international number, did I use brackets, hyphens, dots (comme une gars Francais)? How will you connect my online ID with my phone number¹?
Once you have my password what are you going to do? Right flames and lose me karma? I can just start a new account if needs be, nothing lost really.
For many accounts a phone number is probably a good enough password IMO. For accounts that handle money? No way. For email accounts that receive reset passwords? Not a chance. For posting drivel on tech chat forums ... it'll be fine!
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¹ If you can I'd prefer you didn't print it.
Interestingly I searched for the numbers as I'd use them along with a substring of my username and didn't find them. Did you really Google or were you using the term generically? I tried both Google and Bing.
Well done now you can destroy my HN karma (no not really).
The seomoz profile lists a couple of websites. One of those sites has a phone number on the /contact page, and the /about page on the other links to another business (not totally sure how I originally found that, but this is currently the quickest way to get there.)
That business has a couple more phone numbers listed on their homepage, which also matches the phone numbers on the shopfront on google street view.
This can also be cross-checked with whois.
A bit more googling (literally) of your names found an alternative (possibly old?) address in the same town, and googling that pulled up a fourth number.
I never used to give away my location but got tired of anonymity for it's own sake. Think I'll be reviewing my online exposure now. It's been something I've worried over a little recently but it's hard to keep work/home separate (which I prefer) in many ways. Thanks for getting back to me.