About this number
(650) 681 is a landline based telephone number operated by O1 Communications, Inc. - Ca and is located in the city of Palo Alto, California 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 681. It has an Operating Company Number (OCN) of 4129. A Common Language Location Identifier (CLLI) of SNFCCAMMDSA. As well as a Local access and transport area (LATA) of 722. It was first assigned for usage on 05/17/2001.