According to North American Numbering Plan, 503831 located in DALLAS, Oregon. the first three digits 503 locate to state Oregon, 831 locate the city DALLAS, furthermore, we also provide some other information such as the zip code example(s) 97338, carrier QWEST CORPORATION, and the latitude and longitude is 44.9211 -123.315. 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.