Area Code 872-803 located in IL, more detail is as below. Place NPA (Numbering Plan Area) : 872 NXX (Local Number Prefix) : 803 State : IL (Illinois) NXX Intro Version : 5/1/2013 Rate Center : CHICGOZN10 ZIP Code Count : 0 ZIP Code Frequency : 0 Other Information NPANXX : 872803 Time Zone : Central (GMT -06:00) Company : T-MOBILE USA, INC. OCN (Operating Company Number) : 6529 Latitude : None Longitude : None ‹ previous : 872-801 next › : 872-825 Telephone Number List 872-803-0000 ~ 872-803-9999