Service Objects DOTS LogoDOTS GeoPhone Plus 2

Instant Reverse Phone Lookup With Contact Record Verification and Append

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Real-time reverse look-up for 400+ million US & Canadian phone numbers
Provides telephone verification for landline, wireless & VOIP numbers
Includes Ported Date and Local Number Portability (LNP) data

With over 400 million US and Canadian records, including 170 million wireless numbers, this is one of the most accurate and up-to-date telephone number validation service available. Telephone data is compiled from over 4,000 US, Canadian, and Puerto Rican telephone carriers.

The real-time, reverse phone lookup API provides geocoded carrier and contact information, including; name, address, and date ported. The service also includes line type, SIC business categorization on business numbers, SMS/MMS address information for wireless numbers and Local Number Portability tracking for carrier and line type identification on ported numbers.

The reverse phone lookup also identifies portable VOIP and prepaid phone numbers for fraud prevention practices.

Sub-Second Response Times for Reverse Phone Lookup
Sub-second response times
GeoPhone Plus covers Canada and US
US and Canada
Reverse Phone Lookup service provides name, address and line type
Reverse LookUp
Contact Info & Line Type provided
RESTful API available for GeoPhone Plus
Enterprise-grade API

How GeoPhone Plus Works

Please select from our sample data or provide a US or Canadian phone number to see service results.

* required field
Request URL[YourKey]?format=json[YourKey]

Real-Time API Responses

See below for the full response from our GeoPhone Plus service.

Service Result CORRECTED       APPENDED

Please select or enter input data to see results

Provider Returns
NameNeutral Tandem - Ca
CitySan Luis Obispo
Line TypeLandline

Contact Returns
NameService Objects
Address802 E Cota St
CitySanta Barbara
Postal Code93103-3129
Phone TypeBusiness
SIC Code73750000
SIC DescInformation Retrieval Services
Quality ScoreHigh
SMS Address
MMS Address
Date First Seen2018-03-19
Date Of Porting2017-06-25
Note Codes1,2,3
Note DescriptionsIsmailable,isconnected,isported
Tokens Used65
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Features and Benefits

Customer Support
Uptime Guarantee
Support Engineers
  • Reverse-lookup of wireless, landline, VoIP and toll-free telephone numbers for residential, business, and government telephone listings
  • Database includes over 400 million individual telephone records, with 170 million wireless numbers
  • Identifies phone type (business or residential)
  • Phone carrier lookup including ported phone numbers
  • SMS / MMS address append on Wireless numbers
  • Mailable address notification when available
  • Appends rooftop latitude and longitude information at address-level
  • Accesses Local Number Portability (LNP) data and returns date of porting
  • Quality score returned with every transaction
  • 8 digit SIC code and description provided for finer detail into business classification
  • Data is compiled from over 4,000 US, Canadian, and Puerto Rican telephone carriers
  • Uses cascading logic to resolve caller identification data
  • Validates residential contact or business name and associated address for wireless numbers and landlines
  • Returns phone number provider information (including carrier, city, state, latitude and longitude)
  • Determines line type (landline, wireless or VoIP)
  • Response time approximately 700 milliseconds

Additional Resources


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

Four Ways to Use GeoPhone Plus

Real-Time API Integration

Integrate our easy-to-program data quality APIs directly into your systems for real-time data validation, appending and data hygiene.

Cloud Connector

We have cloud connectors and web hooks for most major CRMs, eCommerce solutions, and marketing and sales platforms like Marketo and Salesforce.

List Processing

For lists under 5,000, try our PC-based data cleansing application, DataTumbler. For larger lists, you can securely upload your list and let us take care of the rest.

Quick Lookups

Our access-from-anywhere service is the perfect way to perform a few quick lookups and see how the service works with your data.

Get Started with Your FREE Key

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Pricing starts at $289 per month

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