It depends on what your company focus is. If you are a local business with actual store fronts, yes absolutely. If you are web facing only but provide local phone numbers you can do that as well and simply leave out your address.
The Lesser (non Google, Yahoo & Bing) local listings won't make you jump 20 spots overnight but can help drive valuable traffic and also provide valuable data across the web that can help with your trust and rankings. (Ratings, Links, Visits etc.)
If you provide a real company and see value in possible traffic through local listings then the answer is Yes - spend some time and do it right.
Fill out every listing in as much detail as possible.
Might not bring loads of traffic but a couple visits per month every month from here on out should help.