Area Code 301-223 located in FAIRPLAY, WASHINGTON, MD, more detail is as below. Place NPA (Numbering Plan Area) : 301 NXX (Local Number Prefix) : 223 City : FAIRPLAY County : WASHINGTON State : MD (Maryland) NXX Use Type : Landline NXX Intro Version : 1994-02-04 FIPS (Federal Information Processing Standards) : 24043 LATA (Local Access Transport Area) : 240 Rate Center : WILLIAMSPT ZIP Code Count : 55 ZIP Code Frequency : 2 ZIP Code : 21733 Other Information NPANXX : 301223 County Population : 0 Switch CLLI (Common Language Location Identifier) : WLPTMDWPRS0 MSA CBSA (Core Based Statistical Area) : Hagerstown-Martinsburg, MD-WV MSA CBSA Code (Core Based Statistical Area) : 25180 Time Zone : Eastern (GMT -05:00) Observes Daylight Saving Time : Yes Company : VERIZON MARYLAND, INC. OCN (Operating Company Number) : 9212 Coverage Area Name : WILLIAMSPORT Latitude : 39.6077 Longitude : -77.8095 ‹ previous : 301-223 next › : 301-223 Telephone Number List 301-223-0000 ~ 301-223-9999