Area Code 830-373 located in FOWLERTON, LA SALLE, TX, more detail is as below. Place NPA (Numbering Plan Area) : 830 NXX (Local Number Prefix) : 373 City : FOWLERTON County : LA SALLE State : TX (Texas) NXX Use Type : Landline NXX Intro Version : 1997-07-06 FIPS (Federal Information Processing Standards) : 48283 LATA (Local Access Transport Area) : 566 Rate Center : FOWLERTON ZIP Code Count : 169 ZIP Code Frequency : 97 ZIP Code : 78021 Other Information NPANXX : 830373 Switch CLLI (Common Language Location Identifier) : FWTNTXXARS0 Time Zone : Central (GMT -06:00) Observes Daylight Saving Time : Yes Company : VALLEY TELEPHONE COOPERATIVE, INC. OCN (Operating Company Number) : 2159 Coverage Area Name : FOWLERTON Latitude : 28.4683 Longitude : -98.8092 ‹ previous : 830-373 next › : 830-374 Telephone Number List 830-373-0000 ~ 830-373-9999