Area Code 301-338 located in CUMBERLAND, ALLEGANY, MD, more detail is as below. Place NPA (Numbering Plan Area) : 301 NXX (Local Number Prefix) : 338 City : CUMBERLAND County : ALLEGANY State : MD (Maryland) NXX Use Type : Landline NXX Intro Version : 1/31/2006 FIPS (Federal Information Processing Standards) : 24001 LATA (Local Access Transport Area) : 240 Rate Center : CUMBERLAND ZIP Code Count : 0 ZIP Code Frequency : Most frequently occurring ZIP Code, although percentage is unknown. ZIP Code : 21502 Other Information NPANXX : 301338 County Population : 0 Switch CLLI (Common Language Location Identifier) : CMLDMDCH0MD MSA CBSA (Core Based Statistical Area) : Cumberland, MD-WV MSA CBSA Code (Core Based Statistical Area) : 19060 Time Zone : Eastern (GMT -05:00) Observes Daylight Saving Time : Yes Company : IDT AMERICA CORP - MD OCN (Operating Company Number) : 228C Coverage Area Name : CUMBERLAND Latitude : 39.6506 Longitude : -78.7549 ‹ previous : 301-337 next › : 301-339 Telephone Number List 301-338-0000 ~ 301-338-9999