Area Code 443-210 located in HAVRE DE GRACE, HARFORD, MD, more detail is as below. Place NPA (Numbering Plan Area) : 443 NXX (Local Number Prefix) : 210 City : HAVRE DE GRACE County : HARFORD State : MD (Maryland) NXX Use Type : Landline NXX Intro Version : 2000-01-14 FIPS (Federal Information Processing Standards) : 24025 LATA (Local Access Transport Area) : 242 Rate Center : ABERDEEN ZIP Code Count : 0 ZIP Code Frequency : Second most frequently occurring ZIP Code, although percentage is unknown. ZIP Code : 21078 Other Information NPANXX : 443210 County Population : 0 Switch CLLI (Common Language Location Identifier) : CHNTVADHDS0 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 : SPRINT SPECTRUM L.P. OCN (Operating Company Number) : 6664 Coverage Area Name : ABERDEEN Latitude : 39.5091 Longitude : -76.1677 ‹ previous : 443-209 next › : 443-210 Telephone Number List 443-210-0000 ~ 443-210-9999