Area Code 435-253 located in FILLMORE, MILLARD, UT, more detail is as below. Place NPA (Numbering Plan Area) : 435 NXX (Local Number Prefix) : 253 City : FILLMORE County : MILLARD State : UT (Utah) NXX Use Type : Wireless NXX Intro Version : 2003-11-11 FIPS (Federal Information Processing Standards) : 49027 LATA (Local Access Transport Area) : 660 Rate Center : FILLMORE ZIP Code Count : 0 ZIP Code Frequency : Most frequently occurring ZIP Code, although percentage is unknown. ZIP Code : 84631 Other Information NPANXX : 435253 County Population : 0 Switch CLLI (Common Language Location Identifier) : WJRDUT30CM1 Time Zone : Mountain (GMT -07:00) Observes Daylight Saving Time : Yes Company : CELLCO PARTNERSHIP DBA VERIZON WIRELESS - UT OCN (Operating Company Number) : 6571 Coverage Area Name : FILLMORE Latitude : 38.9685 Longitude : -112.3255 ‹ previous : 435-252 next › : 435-256 Telephone Number List 435-253-0000 ~ 435-253-9999