Area Code 608-403 located in ADAMS, ADAMS, WI, more detail is as below. Place NPA (Numbering Plan Area) : 608 NXX (Local Number Prefix) : 403 City : ADAMS County : ADAMS State : WI (Wisconsin) NXX Use Type : Landline NXX Intro Version : 2004-12-13 FIPS (Federal Information Processing Standards) : 55001 LATA (Local Access Transport Area) : 354 Rate Center : ADAMS ZIP Code Count : 0 ZIP Code Frequency : Most frequently occurring ZIP Code, although percentage is unknown. ZIP Code : 53910 Other Information NPANXX : 608403 Switch CLLI (Common Language Location Identifier) : MDSNWIZPDS0 Time Zone : Central (GMT -06:00) Observes Daylight Saving Time : Yes Company : MERRIMAC COMMUNICATIONS, LTD. - WI OCN (Operating Company Number) : 682A Coverage Area Name : ADAMS Latitude : 43.9603 Longitude : -89.8157 ‹ previous : 608-402 next › : 608-404 Telephone Number List 608-403-0000 ~ 608-403-9999