Area Code 425-744 located in MOUNTLAKE TERRACE, SNOHOMISH, WA, more detail is as below. Place NPA (Numbering Plan Area) : 425 NXX (Local Number Prefix) : 744 City : MOUNTLAKE TERRACE County : SNOHOMISH State : WA (Washington) NXX Use Type : Landline NXX Intro Version : 1997-04-01 FIPS (Federal Information Processing Standards) : 53061 LATA (Local Access Transport Area) : 674 Rate Center : HALLS LAKE ZIP Code Count : 191 ZIP Code Frequency : 16 ZIP Code : 98043 Other Information NPANXX : 425744 County Population : 0 Switch CLLI (Common Language Location Identifier) : HLLKWAXXDS0 MSA CBSA (Core Based Statistical Area) : Seattle-Tacoma-Bellevue, WA MSA CBSA Code (Core Based Statistical Area) : 42660 Time Zone : Pacific (GMT -08:00) Observes Daylight Saving Time : Yes Company : FRONTIER COMMUNICATIONS NORTHWEST INC. - WA OCN (Operating Company Number) : 4324 Coverage Area Name : MOUNTLAKE TERRACE Latitude : 47.8048 Longitude : -122.3179 ‹ previous : 425-744 next › : 425-744 Telephone Number List 425-744-0000 ~ 425-744-9999