According to North American Numbering Plan, 603823 located in FRANCONIA, New Hampshire. the first three digits 603 locate to state New Hampshire, 823 locate the city FRANCONIA, furthermore, we also provide some other information such as the zip code example(s) 03580, carrier CRC COMMUNICATIONS OF MAINE, I, and the latitude and longitude is 44.2191 -71.7569. 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.