About this number
(650) 690 is a landline based telephone number operated by At&T Local and is located in zip code 94143 in the city of San Francisco, California, which is in San Francisco County, and is in the West. It has a Number Planning Area (NPA - also known as an Area Code) of 650 and Network Numbering Exchange (NXX - also known as a prefix) of 690. It has an Operating Company Number (OCN) of 7421. A Common Language Location Identifier (CLLI) of SNFCCA21DS3. As well as a Local access and transport area (LATA) of 722.