According to North American Numbering Plan, 503799 located in PORTLAND , Oregon. the first three digits 503 locate to state Oregon, 799  Cellular locate the city PORTLAND , furthermore, we also provide some other information such as the zip code example(s) 97203,, carrier NEW CINGULAR WIRELESS PCS, LLC, and the latitude and longitude is 45.5869   -122.7537 Map. 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.

Here are some random corresponding phone numbers.