According to North American Numbering Plan, 503397 located in ST HELENS, Oregon. the first three digits 503 locate to state Oregon, 397 locate the city ST HELENS, furthermore, we also provide some other information such as the zip code example(s) 97051, carrier QWEST CORPORATION, and the latitude and longitude is 45.8581 -122.8113. 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.