How it works. Tell us your ZIP code and email (and your account number if you're a Comet client). We measure the driving miles from your ZIP code to the towns around you and price each trip on our standard rate chart. Prices are ZIP code to ZIP code, so your exact addresses may price a little differently. The first sheet for a new ZIP takes about 20 seconds; after that it's instant. Need a town that isn't listed? Call us. Have a Comet account? Your own rates may be lower: sign in to the Comet Concierge or call us.