Area Code 254-993 located in MOUNT CALM, HILL, TX, more detail is as below. Place NPA (Numbering Plan Area) : 254 NXX (Local Number Prefix) : 993 City : MOUNT CALM County : HILL State : TX (Texas) NXX Use Type : Landline NXX Intro Version : 1997-07-06 FIPS (Federal Information Processing Standards) : 48217 LATA (Local Access Transport Area) : 556 Rate Center : MOUNT CALM ZIP Code Count : 322 ZIP Code Frequency : 100 ZIP Code : 76673 Other Information NPANXX : 254993 County Population : 0 Switch CLLI (Common Language Location Identifier) : MTCLTXXADS0 Time Zone : Central (GMT -06:00) Observes Daylight Saving Time : Yes Company : VALOR TELECOMM TX, LP-TX #1 DBA WINDSTREAM COMM SW OCN (Operating Company Number) : 1163 Coverage Area Name : MOUNT CALM Latitude : 31.7564 Longitude : -96.8824 ‹ previous : 254-988 next › : 254-994 Telephone Number List 254-993-0000 ~ 254-993-9999