Finding a PCS provider that offers data services

There are hundreds of different providers in the United States, but at the moment only the ones that are based on GSM 1900 technology offer data services.

Here's a web page which can help you locate a provider in your area:

Wireless Outpost: has a database searchable by zip code of  US PCS carriers and detailed specifications on the services available for use on their networks.  Details the technology type.