[noncount] : the process or system by which something is provided to a person, place, etc. 1  The state is trying to disrupt the supply of illegal drugs. 2  The storm interrupted the town's electricity supply.
Salem, Oregon Area Code. Salem, OR Area Codes are. Salem, OR utilizes an area code overlay in which area codes 503 and 971 serve the same geographic area. Ten digit dialing (area code + seven digit number) is necessary. In addition to Salem, OR area code information read more about area codes 503 and 971 details and Oregon area codes.
The last area code was assigned in 1995 and Oregon is running out of usable telephone number prefixes in the 503 area code. The demand for numbers is due to a combination of factors. Local calling areas â geographic areas in which all calls are local and do not require long distance calling.