About this number
(937) 257 is a landline based telephone number operated by Tw Telecom Of Ohio LLC - Oh and is located in zip code 45402 in the city of Dayton, Ohio, which is in Montgomery 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 257. It has an Operating Company Number (OCN) of 7460. A Common Language Location Identifier (CLLI) of DYTNOHKTDS1. As well as a Local access and transport area (LATA) of 328. Zip code 45402 has a population of 11,420 as of the 2010 census.