Instantly Validate Global Phone Numbers, Line Types, and Domestic Portability Data

DOTS Phone Exchange 2

DOTS Phone Exchange 2 provides advanced information for both domestic and international phone numbers.

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 2,300 telecom carriers from 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.

  • Provides real-time phone number validation including phone exchange identification, line type and ported history information on 10 digit US and Canadian phone numbers.


    Sample Request URL

    JSON OUTPUT[YourKey]?format=json
    XML OUTPUT[YourKey]
  • For International numbers, detects and validates 15 digit global phone numbers, returns line type and National/International direct dialing formats.


    Sample Request URL

    JSON OUTPUT - International[YourKey]?format=json
    XML OUTPUT - International[YourKey]
Four ways to use our services

Integrate any of our easy-to-program contact verification APIs directly into your systems for real-time cleansing, appending and fraud protection.


When you have a quick list that needs to be verified and cleansed, it's time for DataTumbler, our PC-based data cleansing application.


Implementing an automated FTP batch for your data quality needs is the perfect way to cleanse data from one of your systems on a scheduled time of day or month.


Our Quick Lookups are the perfect way to get the job done fast! Access-from-anywhere data validation tools will come in handy for quick contact lookups.

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Plans start as low as $289 per month
    • 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
    • Full SOAP/ REST support
    • Eliminates landline vs. wireless mobile number guesswork
    • Improves compliance with federal telemarketing sales rules regarding calls to wireless devices
    • Formats International phone numbers for direct dialing
    • Reduce costs with better connection and answer rates
    • Tracks migration of contacts from one carrier to the next
    • Resolves SMS/MMS address for multimedia advertising campaigns
    • Identifies and filters phone number lists by line type
    • Identify fraud through detailed line type analysis
    • Geo-target marketing efforts based on locations returned
    • Know WHERE and WHEN (time zones) you can reach your customers
Some of the world's biggest brands rely on Service Objects