This puzzle requires you to take the phrase above, apply it to the location and then use the information to find the final.
The phrase 'Should have gone to................' has seeped into common parlance and i've been wanting to do an optic themed cache for a while. Take the phone number related to the starting stage and the cache title and use it to get the final coordinates.
Apply A - K to the numbers
Final is at N CD E(B+B).(H-K)JH W 00B C(J-E).(K+B)GA