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DOTS Our domestic Phone Exchange 2 is an XML/JSON web service that provides information about telephone numbers. With DOTS Phone Exchange 2 users can verify telephone numbers, receive geographic location and carrier information of any phone number in the U.S., In addition, it also provides Local Number Portability data in the event the phone number has been ported between Carriers and LineTypeservice returns comprehensive carrier and exchange information, including ported status, SMS and MMS details and identifies high-risk VOIP and prepay phones.  

Our international Phone Exchange service validates and formats phone numbers for international direct dialing, while returning line type, country code and geocoding information.

NOTE: The DOTS Phone Exchange 2 web service has recently been updated, and as such some of the older operations have been deprecated.  If you are still currently using the older operations of the service, you can refer to the developer's guide below for information concerning integration, inputs and outputs for the deprecated operations.