About this number
(937) 521 is a landline based telephone number operated by Cincinnati Bell Extended Terri and is located in zip code 45011 in the city of Hamilton, Ohio, which is in Butler County, and is in the Midwest. It has a Number Planning Area (NPA - also known as an Area Code) of 937 and Network Numbering Exchange (NXX - also known as a prefix) of 521. It has an Operating Company Number (OCN) of 309B. A Common Language Location Identifier (CLLI) of HMTNOHHMDS3. As well as a Local access and transport area (LATA) of 328. It was first assigned for usage on 02/04/2005. Zip code 45011 has a population of 69,677 as of the 2010 census.