Area Code 956-503 located in ZAPATA, ZAPATA, TX, more detail is as below. Place NPA (Numbering Plan Area) : 956 NXX (Local Number Prefix) : 503 City : ZAPATA County : ZAPATA State : TX (Texas) NXX Use Type : Wireless NXX Intro Version : 1999-07-22 FIPS (Federal Information Processing Standards) : 48505 LATA (Local Access Transport Area) : 568 Rate Center : ZAPATA ZIP Code Count : 0 ZIP Code Frequency : Most frequently occurring ZIP Code, although percentage is unknown. ZIP Code : 78076 Other Information NPANXX : 956503 Switch CLLI (Common Language Location Identifier) : HRLNTX96XAZ Time Zone : Central (GMT -06:00) Observes Daylight Saving Time : Yes Company : AWESOME PAGING, INC. OCN (Operating Company Number) : 6590 Coverage Area Name : ZAPATA Latitude : 26.9074 Longitude : -99.2669 ‹ previous : 956-502 next › : 956-504 Telephone Number List 956-503-0000 ~ 956-503-9999