Area Code 254-221 located in HILLSBORO, HILL, TX, more detail is as below. Place NPA (Numbering Plan Area) : 254 NXX (Local Number Prefix) : 221 City : HILLSBORO County : HILL State : TX (Texas) NXX Use Type : Landline NXX Intro Version : 2002-10-25 FIPS (Federal Information Processing Standards) : 48217 LATA (Local Access Transport Area) : 556 Rate Center : HILLSBORO ZIP Code Count : 0 ZIP Code Frequency : Most frequently occurring ZIP Code, although percentage is unknown. ZIP Code : 76645 Other Information NPANXX : 254221 County Population : 0 Switch CLLI (Common Language Location Identifier) : WACOTX36BMD Time Zone : Central (GMT -06:00) Observes Daylight Saving Time : Yes Company : LEVEL 3 COMMUNICATIONS, LLC - TX OCN (Operating Company Number) : 6114 Coverage Area Name : HILLSBORO Latitude : 32.0157 Longitude : -97.1261 ‹ previous : 254-220 next › : 254-222 Telephone Number List 254-221-0000 ~ 254-221-9999