According to North American Numbering Plan, 520303 located in TUCSON, Arizona. the first three digits 520 locate to state Arizona, 303 locate the city TUCSON, furthermore, we also provide some other information such as the zip code example(s) 85701, 85719, 85713, carrier YMAX COMMUNICATIONS CORP. - AZ, and the latitude and longitude is 32.2276 -110.9658. Please pay attention that the detail we provide only as a reference, the details of the zip code may be not complete, the latitude and longitude likely to have deviation.

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