Area Code 240-374 located in LAUREL, ANNE ARUNDEL, MD, more detail is as below. Place NPA (Numbering Plan Area) : 240 NXX (Local Number Prefix) : 374 City : LAUREL County : ANNE ARUNDEL State : MD (Maryland) NXX Use Type : Landline NXX Intro Version : 1999-02-27 FIPS (Federal Information Processing Standards) : 24003 LATA (Local Access Transport Area) : 236 Rate Center : LAUREL ZIP Code Count : 0 ZIP Code Frequency : Second most frequently occurring ZIP Code, although percentage is unknown. ZIP Code : 20724 Other Information NPANXX : 240374 County Population : 0 Switch CLLI (Common Language Location Identifier) : WASJDCDCDS0 MSA CBSA (Core Based Statistical Area) : Baltimore-Towson, MD MSA CBSA Code (Core Based Statistical Area) : 12580 Time Zone : Eastern (GMT -05:00) Observes Daylight Saving Time : Yes Overlay : L Company : GLOBAL CROSSING LOCAL SERVICES, INC.-MD OCN (Operating Company Number) : 6050 Coverage Area Name : LAUREL Latitude : 39.1101 Longitude : -76.8514 ‹ previous : 240-373 next › : 240-374 Telephone Number List 240-374-0000 ~ 240-374-9999