Area Code +1-240-(4877000...4877999) located in Hyattsville, Maryland (MD), more detail is as below. Place International Dialing Code : 1 International Prefix : 011 National Prefix : 1 National Destination Code : 240 Subscriber Number From : 4877000 Subscriber Number To : 4877999 National Destination Code Length : 3 Uses National Destination Code : Yes National Significant Number Length : 10 Number Type : G (Geographic Land Line, Fixed Line) Carrier Name : LIGHTWAVE COMM-MD Click here to buy United States Area Code Database Other Information Language Code : en (English) Country Number : 840 (United States) Country Code : US (United States) Region Code : MD Region Name : Maryland City : Hyattsville Timezone : America/New_York Coordinated Universal Time : -05:00 Daylight Saving Time : Yes National Significant Number Minimum Length : 10 Latitude : 38.9500 Longitude : -76.9500 ‹ previous : +1-240-(4876000...4876999) next › : +1-240-(4878000...4878999) Dialling Instructions For trunk calls: 0 240 4877000 (Trunk Code + National Destination Code + Subscriber Number) For international calls: 011 1 240 4877000 (International Prefix + International Dailing Code +National Destination Code + Subscriber Number) Telephone Number List 4877000 ~ 4877999 (Count: 1,000) Example: +1-240-4877000 / 0111-240-4877000 (1240-4877000 / 1-240-4877000) +1-240-4877001 / 0111-240-4877001 (1240-4877001 / 1-240-4877001) +1-240-4877002 / 0111-240-4877002 (1240-4877002 / 1-240-4877002) +1-240-4877003 / 0111-240-4877003 (1240-4877003 / 1-240-4877003) +1-240-4877004 / 0111-240-4877004 (1240-4877004 / 1-240-4877004) ...+1-240-xxxxxxx / 0111-240-xxxxxxx (1240-xxxxxxx / 1-240-xxxxxxx) ...+1-240-4877995 / 0111-240-4877995 (1240-4877995 / 1-240-4877995) +1-240-4877996 / 0111-240-4877996 (1240-4877996 / 1-240-4877996) +1-240-4877997 / 0111-240-4877997 (1240-4877997 / 1-240-4877997) +1-240-4877998 / 0111-240-4877998 (1240-4877998 / 1-240-4877998) +1-240-4877999 / 0111-240-4877999 (1240-4877999 / 1-240-4877999)