CodeCountryRegionCityOperatorAdded
+1 301 USARockville, MD2013-10-18
+1 240 205USAMontgomeryRockville, MDNew Cingular Wireless PCS - DC, Cell Number2013-10-18
+1 240 221USAMontgomeryRockville, MDVerizon Maryland, Landline2013-10-18
+1 240 238USAMontgomeryRockville, MDPaetec Communications, Landline2013-10-18
+1 240 261USAMontgomeryRockville, MDGlobal Naps South, Landline2013-10-18
+1 240 268USAPrince George'sRockville, MDAllegiance Telecom, Landline2013-10-18
+1 240 276USAMontgomeryRockville, MDVerizon Maryland, Landline2013-10-18
+1 240 314USAMontgomeryRockville, MDVerizon Maryland, Landline2013-10-18
+1 240 328USAMontgomeryRockville, MDVerizon Maryland, Landline2013-10-18
+1 240 401USAMontgomeryRockville, MDNew Cingular Wireless PCS - DC, Cell Number2013-10-18
+1 240 403USAMontgomeryRockville, MDCavalier Telephone Mid-atlantic, Landline2013-10-18
+1 240 406USARockville, MDLeap Wireless Intl DBA Cricket Comm2013-10-18
+1 240 408USARockville, MDLeap Wireless Intl DBA Cricket Comm2013-10-18
+1 240 421USAMontgomeryRockville, MDOmnipoint Communications Cap Operations, Cell Number2013-10-18
+1 240 428USARockville, MDBandwidth.com Clec2013-10-18
+1 240 447USAMontgomeryRockville, MDNew Cingular Wireless PCS - DC, Cell Number2013-10-18
+1 240 453USAMontgomeryRockville, MDVerizon Maryland, Landline2013-10-18
+1 240 506USAMontgomeryRockville, MDNew Cingular Wireless PCS - DC, Cell Number2013-10-18
+1 240 550USARockville, MDLeap Wireless Intl DBA Cricket Comm2013-10-18
+1 240 551USARockville, MDLeap Wireless Intl DBA Cricket Comm2013-10-18
+1 240 552USARockville, MDLeap Wireless Intl DBA Cricket Comm2013-10-18
+1 240 567USARockville, MDVerizon Maryland2013-10-18
+1 240 599USAPrince George'sRockville, MDBroadwing Communications. LLC, Landline2013-10-18
+1 240 620USAMontgomeryRockville, MDMci Worldcom Communications, Landline2013-10-18
+1 240 641USAMontgomeryRockville, MDTidalwave Telephone Inc, Landline2013-10-18