• The map is divided into cells that are colored, according to the number of reports within a certain radius of the cell and the proximity of the reports to the center of the cell, resulting in bands of color.
• The maps are presented for informational purposes only; the data is not the product of a scientific survey. All data was self-reported. Individuals were able to submit anonymous reports. Individuals were able to submit multiple reports concerning the same location(s).
• The City of New York has not independently verified the existence of actual service problems at the reported locations. The map shows the relative number of problem reports for all service providers. It does not make any comparison between the service providers.
• There have been no adjustments based on population density or time of day. Moreover, reports may reflect temporary conditions, service interruptions, handset equipment failures or other matters, and do not necessarily reflect an absence of mobile service at the identified location.
• Reports concerning indoor use of mobile phones have not been included in the map. Reports that did not include specific geographic information, such as an address or intersection, have also not been included in the map.

Please note that while DoITT collected mobile phone service information from residents, the department does not accept complaints about service providers. Contact your service provider directly with any complaints you may have. The following providers serve New York City: