Area Code +1-301-(5438000...5438999) located in Laurel 236, Maryland (MD), more detail is as below. Place International Dialing Code : 1 International Prefix : 011 National Prefix : 1 National Destination Code : 301 Subscriber Number From : 5438000 Subscriber Number To : 5438999 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 : Laurel 236 Timezone : America/New_York Coordinated Universal Time : -05:00 Daylight Saving Time : Yes National Significant Number Minimum Length : 10 Latitude : 39.1000 Longitude : -76.8500 ‹ previous : +1-301-(5437000...5437999) next › : +1-301-(5439000...5439999) Dialling Instructions For trunk calls: 0 301 5438000 (Trunk Code + National Destination Code + Subscriber Number) For international calls: 011 1 301 5438000 (International Prefix + International Dailing Code +National Destination Code + Subscriber Number) Telephone Number List 5438000 ~ 5438999 (Count: 1,000) Example: +1-301-5438000 / 0111-301-5438000 (1301-5438000 / 1-301-5438000) +1-301-5438001 / 0111-301-5438001 (1301-5438001 / 1-301-5438001) +1-301-5438002 / 0111-301-5438002 (1301-5438002 / 1-301-5438002) +1-301-5438003 / 0111-301-5438003 (1301-5438003 / 1-301-5438003) +1-301-5438004 / 0111-301-5438004 (1301-5438004 / 1-301-5438004) ...+1-301-xxxxxxx / 0111-301-xxxxxxx (1301-xxxxxxx / 1-301-xxxxxxx) ...+1-301-5438995 / 0111-301-5438995 (1301-5438995 / 1-301-5438995) +1-301-5438996 / 0111-301-5438996 (1301-5438996 / 1-301-5438996) +1-301-5438997 / 0111-301-5438997 (1301-5438997 / 1-301-5438997) +1-301-5438998 / 0111-301-5438998 (1301-5438998 / 1-301-5438998) +1-301-5438999 / 0111-301-5438999 (1301-5438999 / 1-301-5438999)