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The authoritative Caller ID reverse lookup app. Our app has provided reliable, free caller name ID since 2013 and amassed nearly 20,000 positive reviews. We are the only phone directory that has patented our advanced, transparent search technology assuring you updated and accurate information.

Major version release 2.0 brings an entirely redesigned interface incorporating innovative suggestions from our users. If somebody called you or contacted you via social media and you're trying to find out who owns the number, use our app to quickly do a "reverse lookup" and determine who called you.

New features in Version 2.0:
-Global Caller ID now allows search of over 1 billion phone numbers worldwide! Our free version covers ~60% of numbers - the best free service available. 95% coverage is available for Pro Edition users.


-See owner names and addresses for nearly all (~95%) of American and Canadian phone numbers with a subscription to Pro Edition.

-Maps Geolocation shows approximate area by area code.

-Dialing format and timezone gives you all the information you need on foreign / international contacts.

Most (if not all) cellular phone carriers do not offer the full caller ID service that exists for landline phones. When someone calls a mobile phone, the cell phone caller ID leaves out the name, only showing the phone number and/or city of the caller. Real caller ID shows the number & name of the caller. Since 2013, Greenflight has offered this invaluable free & real caller ID utility for the iOS architecture.

This tool may only be used to research phone numbers that called you or contacted you via social media. All use must comply with applicable international, federal, and local laws. The Caller-ID service is not a consumer reporting agency as by the Fair Credit Reporting Act(US).

For Caller ID Pro Edition subscriptions, a free trial three day trial is available for first time users. After the free trial finishes, premium membership for up to 30 searches/month is available for $9.49 a month.

Payment will be charged to your Apple ID account at the confirmation of purchase, or end of trial period, if applicable. Subscription automatically renews unless it is canceled at least 24 hours before the end of the current period. Your account will be charged for renewal within 24 hours prior to the end of the current period. You can manage and cancel your subscriptions by going to your account settings on the App Store after purchase.Any unused portion of a free trial period, if offered, will be forfeited when the user purchases a subscription to that publication, where applicable.

• Terms of Service: https://www.okcaller.com/tos.php
• Privacy Policy: https://www.okcaller.com/privacy.php
Our data is derived from transparent and open processes specified Greenflight owned USPTO patents and/or reissues.

The authoritative Caller ID reverse lookup app. Our app has provided reliable, free caller name ID since 2013 and amassed nearly 20,000 positive reviews. We are the only phone directory that has patented our advanced, transparent search technology assuring you updated and accurate information.

Major version release 2.0 brings an entirely redesigned interface incorporating innovative suggestions from our users. If somebody called you or contacted you via social media and you're trying to find out who owns the number, use our app to quickly do a "reverse lookup" and determine who called you.

New features in Version 2.0:
-Global Caller ID now allows search of over 1 billion phone numbers worldwide! Our free version covers ~60% of numbers - the best free service available. 95% coverage is available for Pro Edition users.


-See owner names and addresses for nearly all (~95%) of American and Canadian phone numbers with a subscription to Pro Edition.

-Maps Geolocation shows approximate area by area code.

-Dialing format and timezone gives you all the information you need on foreign / international contacts.

Most (if not all) cellular phone carriers do not offer the full caller ID service that exists for landline phones. When someone calls a mobile phone, the cell phone caller ID leaves out the name, only showing the phone number and/or city of the caller. Real caller ID shows the number & name of the caller. Since 2013, Greenflight has offered this invaluable free & real caller ID utility for the iOS architecture.

This tool may only be used to research phone numbers that called you or contacted you via social media. All use must comply with applicable international, federal, and local laws. The Caller-ID service is not a consumer reporting agency as by the Fair Credit Reporting Act(US).

For Caller ID Pro Edition subscriptions, a free trial three day trial is available for first time users. After the free trial finishes, premium membership for up to 30 searches/month is available for $9.49 a month.

Payment will be charged to your Apple ID account at the confirmation of purchase, or end of trial period, if applicable. Subscription automatically renews unless it is canceled at least 24 hours before the end of the current period. Your account will be charged for renewal within 24 hours prior to the end of the current period. You can manage and cancel your subscriptions by going to your account settings on the App Store after purchase.Any unused portion of a free trial period, if offered, will be forfeited when the user purchases a subscription to that publication, where applicable.

• Terms of Service: https://www.okcaller.com/tos.php
• Privacy Policy: https://www.okcaller.com/privacy.php
Our data is derived from transparent and open processes specified Greenflight owned USPTO patents and/or reissues.

The authoritative Caller ID reverse lookup app. Our app has provided reliable, free caller name ID since 2013 and amassed nearly 20,000 positive reviews. We are the only phone directory that has patented our advanced, transparent search technology assuring you updated and accurate information.

Major version release 2.0 brings an entirely redesigned interface incorporating innovative suggestions from our users. If somebody called you or contacted you via social media and you're trying to find out who owns the number, use our app to quickly do a "reverse lookup" and determine who called you.

New features in Version 2.0:
-Global Caller ID now allows search of over 1 billion phone numbers worldwide! Our free version covers ~60% of numbers - the best free service available. 95% coverage is available for Pro Edition users.


-See owner names and addresses for nearly all (~95%) of American and Canadian phone numbers with a subscription to Pro Edition.

-Maps Geolocation shows approximate area by area code.

-Dialing format and timezone gives you all the information you need on foreign / international contacts.

Most (if not all) cellular phone carriers do not offer the full caller ID service that exists for landline phones. When someone calls a mobile phone, the cell phone caller ID leaves out the name, only showing the phone number and/or city of the caller. Real caller ID shows the number & name of the caller. Since 2013, Greenflight has offered this invaluable free & real caller ID utility for the iOS architecture.

This tool may only be used to research phone numbers that called you or contacted you via social media. All use must comply with applicable international, federal, and local laws. The Caller-ID service is not a consumer reporting agency as by the Fair Credit Reporting Act(US).

For Caller ID Pro Edition subscriptions, a free trial three day trial is available for first time users. After the free trial finishes, premium membership for up to 30 searches/month is available for $9.49 a month.

Payment will be charged to your Apple ID account at the confirmation of purchase, or end of trial period, if applicable. Subscription automatically renews unless it is canceled at least 24 hours before the end of the current period. Your account will be charged for renewal within 24 hours prior to the end of the current period. You can manage and cancel your subscriptions by going to your account settings on the App Store after purchase.Any unused portion of a free trial period, if offered, will be forfeited when the user purchases a subscription to that publication, where applicable.

• Terms of Service: https://www.okcaller.com/tos.php
• Privacy Policy: https://www.okcaller.com/privacy.php
Our data is derived from transparent and open processes specified Greenflight owned USPTO patents and/or reissues.

The Caller-ID app by Caller-ID.co is the internet's first free and real Caller ID service. If somebody called you and you're trying to find out who owns the number, use our app to quickly do a "reverse lookup" and determine who called you.

Now with Maps and improved Geolocation!

Most (if not all) cellular phone carriers do not offer the full caller ID service that exists for landline phones. When someone calls a mobile phone, the cell phone caller ID leaves out the name, only showing the phone number and/or city of the caller. Real landline caller ID shows the number & name of the caller. Finally, a free & real landline caller ID utility exists for the iPhone.

Simply enter the number that called you, and we provide the name ("caller identification") registered to the phone number. Our service works for the entire United States and Canada, and we are adding more countries soon. Our caller identification is accurate information directly received from our telephone company partner. It is the same caller ID you would receive on a landline phone. Note: This App provides Caller ID for approximately 70% of wireless phones and VOIP phones. This is consistent with any other traditional landline caller ID system.

This tool may only be used to research phone numbers that called you. Map areas are approximate.