About this number
There is 1 OK rating for this phone number. (712) 423-8504 is a landline based telephone number operated by Qwest Corporation and is located in zip code 51040 in the city of Onawa, Iowa, which is in Monona County, and is in the Midwest. It has a Number Planning Area (NPA - also known as an Area Code) of 712, a Network Numbering Exchange (NXX - also known as a prefix) of 423 and a subscriber number of 8504. It has an Operating Company Number (OCN) of 9631. A Common Language Location Identifier (CLLI) of ONAWIACORS4. As well as a Local access and transport area (LATA) of 630. It was first assigned for usage on 01/01/1901. Zip code 51040 has a population of 3,712 as of the 2010 census.