Area Code +1-301-(5510000...5519999) located in Silver Spring, 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 : 5510000 Subscriber Number To : 5519999 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 : BALTIMORE-WAS TEL 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 : Silver Spring Timezone : America/New_York Coordinated Universal Time : -05:00 Daylight Saving Time : Yes National Significant Number Minimum Length : 10 Latitude : 39.0100 Longitude : -77.0400 ‹ previous : +1-301-(5499000...5499999) next › : +1-301-(5520000...5529999) Dialling Instructions For trunk calls: 0 301 5510000 (Trunk Code + National Destination Code + Subscriber Number) For international calls: 011 1 301 5510000 (International Prefix + International Dailing Code +National Destination Code + Subscriber Number) Telephone Number List 5510000 ~ 5519999 (Count: 10,000) Example: +1-301-5510000 / 0111-301-5510000 (1301-5510000 / 1-301-5510000) +1-301-5510001 / 0111-301-5510001 (1301-5510001 / 1-301-5510001) +1-301-5510002 / 0111-301-5510002 (1301-5510002 / 1-301-5510002) +1-301-5510003 / 0111-301-5510003 (1301-5510003 / 1-301-5510003) +1-301-5510004 / 0111-301-5510004 (1301-5510004 / 1-301-5510004) ...+1-301-xxxxxxx / 0111-301-xxxxxxx (1301-xxxxxxx / 1-301-xxxxxxx) ...+1-301-5519995 / 0111-301-5519995 (1301-5519995 / 1-301-5519995) +1-301-5519996 / 0111-301-5519996 (1301-5519996 / 1-301-5519996) +1-301-5519997 / 0111-301-5519997 (1301-5519997 / 1-301-5519997) +1-301-5519998 / 0111-301-5519998 (1301-5519998 / 1-301-5519998) +1-301-5519999 / 0111-301-5519999 (1301-5519999 / 1-301-5519999)
