Area Code 940-203 located in MUNDAY, KNOX, TX, more detail is as below. Place NPA (Numbering Plan Area) : 940 NXX (Local Number Prefix) : 203 City : MUNDAY County : KNOX State : TX (Texas) NXX Use Type : Wireless NXX Intro Version : 2003-05-09 FIPS (Federal Information Processing Standards) : 48275 LATA (Local Access Transport Area) : 548 Rate Center : MUNDAY ZIP Code Count : 0 ZIP Code Frequency : Most frequently occurring ZIP Code, although percentage is unknown. ZIP Code : 76371 Other Information NPANXX : 940203 Switch CLLI (Common Language Location Identifier) : SYMRTXAC1MD Time Zone : Central (GMT -06:00) Observes Daylight Saving Time : Yes Company : CELLCO PARTNERSHIP DBA VERIZON WIRELESS - TX OCN (Operating Company Number) : 6506 Coverage Area Name : MUNDAY Latitude : 33.4484 Longitude : -99.6245 ‹ previous : 940-202 next › : 940-205 Telephone Number List 940-203-0000 ~ 940-203-9999