City ID is

Cequint City ID is Cequint's first-generation caller mobile identification service. City ID displays the city and state or country associated with the caller's telephone number. In partnership with mobile network operators, the City ID service is availab ...

's first-generation caller mobile identification service. City ID displays the city and state or country associated with the caller's telephone number. In partnership with mobile network operators, the City ID service is available on many devices from

Alltel Alltel Wireless was a wireless service provider, primarily based in the United States. Before acquisitions by Verizon Wireless and AT&T, it served 34 states and had approximately 13 million subscribers. As a regulatory condition of the acquisition ...

, AT&T,

U.S. Cellular United States Cellular Corporation (doing business as UScellular) is an American mobile network operator. It is a subsidiary of Telephone and Data Systems Inc. (which owns an 84% stake). The company was formed in 1983 and is headquartered in ...

, and Verizon Wireless.

Caller Information Operation

The City and State information is determined by referencing the area code and exchange ( NPA- NXX) of the calling party's telephone number using a database stored locally on the mobile phone. This database is updated as new area codes and exchanges are introduced. The City ID application is integrated into the firmware of mobile phones, providing city and state (or country) information to the phone application for native display on the incoming call screen, call logs, and outgoing call screen.

City / State Identification

The city and state information provided by the City ID service is based on the area code and exchange in which the phone is registered. For land-line phones, this information is a reliable method for determining the phone's originating calling office or switch (the exchange). For mobile phones, this information is potentially less useful because mobile phones often operate outside of their originally registered area code and exchange area.

Android Details

City ID is integrated on many Android devices in partnership with several mobile network operators. The service offers a 15-day free trial and then a subscription fee is required to continue the service. The software is pre-installed and, because it's integrated into the firmware, users cannot remove or disable it unless they have root privileges, (e.g. "

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") their phone. The Application Manager in the Settings application can be used to Force Stop the application. According to Cequint:

The way to disable City ID is to select “No” at the end of the free trial, which ends 15 days after you receive the initial free trial notification. If you select “Remind Me Later,” or press the Back or End key (or a similar action) the trial expired message will appear after each incoming call (up to 10 times), so please be sure to select “No” upon the first expiration message to disable City ID.http://androidforums.com/incredible-support-troubleshooting/70786-city-id-how-do-you-uninstall-3.html Android Forum - "How do you uninstall CityID" (accessed 3 Feb 2011)

BREW Details

City ID is pre-installed on many BREW (and the successor OS, BREWMP) devices in partnership with several mobile network operators. BREW and BREWMP phones usually do not have obvious branding like Android and Blackberry phones. Cheaper feature phones in North America are most often BREW-based mobile phones. The Media Center should allow removal of the pre-installed City ID application.

References

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External links