Area Code 605-222 located in PIERRE, HUGHES, SD, more detail is as below. Place NPA (Numbering Plan Area) : 605 NXX (Local Number Prefix) : 222 City : PIERRE County : HUGHES State : SD (South Dakota) NXX Use Type : Wireless NXX Intro Version : 1994-02-04 FIPS (Federal Information Processing Standards) : 46065 LATA (Local Access Transport Area) : 640 Rate Center : PIERRE ZIP Code Count : 2 ZIP Code Frequency : 40 ZIP Code : 57501 Other Information NPANXX : 605222 County Population : 0 Switch CLLI (Common Language Location Identifier) : SXFLSDTUCM0 MSA CBSA (Core Based Statistical Area) : Pierre, SD MSA CBSA Code (Core Based Statistical Area) : 38180 Time Zone : Central (GMT -06:00) Observes Daylight Saving Time : Yes Company : CELLCO PARTNERSHIP DBA VERIZON WIRELESS - SD OCN (Operating Company Number) : 6569 Coverage Area Name : PIERRE Latitude : 44.3649 Longitude : -100.3549 ‹ previous : 605-221 next › : 605-222 Telephone Number List 605-222-0000 ~ 605-222-9999