Area Code 701-438 located in MADDOCK, BENSON, ND, more detail is as below. Place NPA (Numbering Plan Area) : 701 NXX (Local Number Prefix) : 438 City : MADDOCK County : BENSON State : ND (North Dakota) NXX Use Type : Landline NXX Intro Version : 1994-02-04 FIPS (Federal Information Processing Standards) : 38005 LATA (Local Access Transport Area) : 638 Rate Center : MADDOCK ZIP Code Count : 423 ZIP Code Frequency : 96 ZIP Code : 58348 Other Information NPANXX : 701438 Switch CLLI (Common Language Location Identifier) : MDCKNDXARS4 Time Zone : Central (GMT -06:00) Observes Daylight Saving Time : Yes Company : NORTH DAKOTA TELEPHONE CO. OCN (Operating Company Number) : 1447 Coverage Area Name : MADDOCK Latitude : 47.9612 Longitude : -99.5282 ‹ previous : 701-438 next › : 701-439 Telephone Number List 701-438-0000 ~ 701-438-9999