Service Objects DOTS LogoDOTS Phone Exchange 2

Validate Global Phone Numbers Improve Contact Rates and Privacy Compliance

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Real-time API provides advanced phone intelligence
Including line type, date ported, and location information
Helps prevent fraud and support TCPA compliance

Domestic (USA, Canada, and Puerto Rico)
Returns the phone number carrier including name, city, state, time zone, line type, latitude, longitude, SMS and MMS address information associated with that carrier. Includes information about ported status; plus ported and original carrier information and the Local Access & Transport Area (LATA) information, which is the 3-digit code designating carrier boundary information. Identifies Portable VoIP and Prepay Phones. Service Objects’ proprietary database contains more than 4,000 telecom carriers from the US, Canada, and Puerto Rico.

(For reverse phone lookup please visit DOTS GeoPhone Plus 2.)

Validates and formats phone numbers for National and International E.164 phone direct dialing, including the International call prefix. The service also returns line type (e.g. mobile, VoIP, pager, etc), country code (ISO2, ISO3 and full country name), SMS/MMS address, time zone and geocoding information, where available.

We also detect the location and line type to ensure compliance with the FCC’s Telephone Consumer Protection Act (TCPA).

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We protect your privacy. We will not sell, give or distribute your information to a third party.

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How Phone Exchange Works

Please determine lookup type (US/Canada or International) and select phone number to see phone exchange information.

Choose from our sample phone numbers
Phone Number
Choose from our sample phone numbers
Phone Number
Request URL[YourKey][YourKey]

Request URL[YourKey][YourKey]

Real-Time API Responses

See below for the full response from our Phone Exchange service.

Service Response CORRECTED       APPENDED

Please select input data to see results

Phone Number8059631700
NameNeutral Tandem - Ca
CitySan Luis Obispo
Line TypeLandline
Time ZonePst
SMS Address
MMS Address
Original Name
Original Line TypeLandline
Ported Date2017-06-25
Note Codes3, 4
Note DescriptionsIsported,
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For Developers

Our services are built API-first with a focus on data quality and ease of integration.
We support REST, SOAP, GET and POST requests over HTTP/S outputting in XML and JSON formats.

Our API web services are compatible with all major programming languages and we have over 200 pieces of sample code (both snippets and full solutions) available to help with your integration.

Programming languages - Php, Java, C#, .net, ASP, Ruby on Rails, Python, Cold Fusion, Apex

Visit Developer Guide

Features and Benefits

Customer Support
Uptime Guarantee
Support Engineers
  • Database contains information on over 1.7 million working phone exchange blocks from 4,000 US and Canadian telecom providers
  • Formats International numbers to National, International and E.164 formats for direct dialing
  • Removes extraneous characters commonly found within telephone numbers
  • Returns detailed service provider information (carrier, city, state, line type, latitude and longitude)
  • Response time as fast as 300 milliseconds
  • Returns correct country in ISO2, ISO3 and Full Country Name formats for International Numbers
  • Appends time zone and longitude/latitude (Phone Geocoding)
  • SMS / MMS address append on Wireless numbers
  • LATA 3-digit code for carrier boundary information
  • Provides domestic phone number portability information including ported date, originating carrier and line type
  • Appends line type data, distinguishing between landline, wireless numbers, or VoIP
  • Identifies portable VoIP carriers such as Google Voice
  • Daily Updates
  • Real-time API or batch service available

Additional Resources

Getting Started Video    |     Datasheet    |     Whitepaper

Four Ways to Use Phone Exchange

Real-Time API
Cloud Connectors
Connects with major marketing, sales and ecommerce platforms
List Processing
Securely upload lists
for processing
Quick Lookups
Great for spot-checking
or small batches

Some of the world's biggest brands rely on Service Objects