According to North American Numbering Plan, 503387 located in TIGARD, Oregon. the first three digits 503 locate to state Oregon, 387 locate the city TIGARD, furthermore, we also provide some other information such as the zip code example(s) 97223, 97224, carrier TELEPORT COMMUNICATIONS AMERIC, and the latitude and longitude is 45.4474 -122.7813. 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.