According to North American Numbering Plan, 669777 located in SUNNYVALE, California. the first three digits 669 locate to state California, 777 locate the city SUNNYVALE, furthermore, we also provide some other information such as the zip code example(s) 94086, 94085, 94087, carrier TELEPORT COMMUNICATIONS GROUP, and the latitude and longitude is 37.3752 -122.0218. 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.