Area Code 254-994 located in MOUNT CALM, HILL, TX, more detail is as below. Place NPA (Numbering Plan Area) : 254 NXX (Local Number Prefix) : 994 City : MOUNT CALM County : HILL State : TX (Texas) NXX Use Type : Landline NXX Intro Version : 4/10/2013 FIPS (Federal Information Processing Standards) : 48217 LATA (Local Access Transport Area) : 556 Rate Center : MOUNT CALM ZIP Code Count : 0 ZIP Code Frequency : 0 ZIP Code : 76673 Other Information NPANXX : 254994 County Population : 0 Time Zone : Central (GMT -06:00) Observes Daylight Saving Time : Yes Company : AMA COMM., LLC DBA AMA*TECHTEL COMMUNICATIONS-TX OCN (Operating Company Number) : 0132 Coverage Area Name : MOUNT CALM Latitude : 31.7564 Longitude : -96.8824 ‹ previous : 254-993 next › : 254-998 Telephone Number List 254-994-0000 ~ 254-994-9999