Area Code 817-229 located in ALVARADO, JOHNSON, TX, more detail is as below. Place NPA (Numbering Plan Area) : 817 NXX (Local Number Prefix) : 229 City : ALVARADO County : JOHNSON State : TX (Texas) NXX Use Type : Wireless NXX Intro Version : 1995-07-04 FIPS (Federal Information Processing Standards) : 48251 LATA (Local Access Transport Area) : 552 Rate Center : GLENDALE ZIP Code Count : 1 ZIP Code Frequency : 8 ZIP Code : 76009 Other Information NPANXX : 817229 MSA CBSA (Core Based Statistical Area) : Dallas-Fort Worth-Arlington, TX MSA CBSA Code (Core Based Statistical Area) : 19100 Time Zone : Central (GMT -06:00) Observes Daylight Saving Time : Yes Company : NEW CINGULAR WIRELESS PCS, LLC - IL OCN (Operating Company Number) : 6534 Coverage Area Name : FORT WORTH Latitude : 32.7358 Longitude : -97.2314 ‹ previous : 817-229 next › : 817-229 Telephone Number List 817-229-0000 ~ 817-229-9999