Area Code 406-223 located in GARDINER, PARK, MT, more detail is as below. Place NPA (Numbering Plan Area) : 406 NXX (Local Number Prefix) : 223 City : GARDINER County : PARK State : MT (Montana) NXX Use Type : Wireless NXX Intro Version : 1994-09-11 FIPS (Federal Information Processing Standards) : 30067 LATA (Local Access Transport Area) : 650 Rate Center : LIVINGSTON ZIP Code Count : 1 ZIP Code Frequency : 20 ZIP Code : 59030 Other Information NPANXX : 406223 Switch CLLI (Common Language Location Identifier) : BLNGMT233MD Time Zone : Mountain (GMT -07:00) Observes Daylight Saving Time : Yes Company : CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MT OCN (Operating Company Number) : 6564 Coverage Area Name : LIVINGSTON Latitude : 45.6647 Longitude : -110.5590 ‹ previous : 406-222 next › : 406-223 Telephone Number List 406-223-0000 ~ 406-223-9999