A polyatomic ion, also known as a molecular ion, is a charged chemical species (ion) composed of two or more atoms covalently bonded or of a metal complex that can be considered to be acting as a single unit. The prefix poly- means many, in Greek, but even ions of two atoms are commonly referred to as polyatomic.
619. San Diego, CA is currently using one area code which is area code 619. In addition to San Diego, CA area code information read more about area code 619 details and California area codes. San Diego, CA is located in San Diego County and observes the Pacific Time Zone. View our Times by Area Code tool.
The following are respresntative examples of telephone central office buildings in Area Codes 760 & 442 (Northern and Eastern San Diego County, California).Click on the pictures below for a larger version.he following are respresntative examples of telephone central office buildings in Area Codes 760 & 442 (Northern and Eastern San Diego County, California). Click on the pictures below for a larger version.