Those shops were gone last summer, although they extended our service through November. Unfortunately, the phone I purchased (HTC One) can't be used for any other service provider. It's only good for Cricket, so I can't bring it to T-Mobile (my provider) or trade in anywhere else. Even Best Buy didn't want it - and they take everything. I've seen the phones on Craig's List, so I'm going to try and sell it there.
As for Cricket, there were only two locations in my town - both in extremely undesirable areas. The worst part was that they gave me a number that still came up with the caller ID of the person who had the number before me. I kept getting that person's calls and texts, so their service must have been terminated within a week of my service. I repeatedly asked for a new number or the caller ID to be corrected, since no one I called would answer the phone with that other's person's name. Cricket said it would take 90 days! It actually took almost 6 months for Cricket to correct the caller ID. By then, the shop ended.