CodeCountryRegionCityOperatorAdded
+1 240 USAMD W Maryland: Silver Spring, Frederick, Gaithersbur2013-08-22
+1 240 USAGaithersburg, MD2013-10-18
+1 240 200USAMount Rainier, MDBandwidth.com Clec2013-10-18
+1 240 201USASaint Mary'sRidge, MDGlobal Naps South, Landline2013-10-18
+1 240 205USAMontgomeryRockville, MDNew Cingular Wireless PCS - DC, Cell Number2013-10-18
+1 240 206USAPrince George'sGlenn Dale, MDXo Maryland, Landline2013-10-18
+1 240 207USAMontgomeryDamascus, MDCavalier East LLC, Landline2013-10-18
+1 240 208USACharlesLa Plata, MDGlobal Naps South, Landline2013-10-18
+1 240 209USACharlesIndian Head, MDGlobal Naps South, Landline2013-10-18
+1 240 210USACharlesWaldorf, MDNew Cingular Wireless PCS - DC, Cell Number2013-10-18
+1 240 212USAGarrettOakland, MDCore Communications, Landline2013-10-18
+1 240 213USACharlesWaldorf, MDGlobal Naps South, Landline2013-10-18
+1 240 214USASaint Mary'sMechanicsville, MDGlobal Naps South, Landline2013-10-18
+1 240 215USAFrederickFrederick, MDTelcove Operations, Landline2013-10-18
+1 240 216USACharlesWaldorf, MDNextel Communications, Cell Number2013-10-18
+1 240 217USAWashingtonHagerstown, MDOmnipoint Communications Cap Operations, Cell Number2013-10-18
+1 240 218USACharlesNanjemoy, MDGlobal Naps South, Landline2013-10-18
+1 240 219USACharlesNewburg, MDGlobal Naps South, Landline2013-10-18
+1 240 220USAMontgomeryPoolesville, MDGlobal Naps South, Landline2013-10-18
+1 240 221USAMontgomeryRockville, MDVerizon Maryland, Landline2013-10-18
+1 240 222USACharlesWaldorf, MDCavalier Telephone Mid-atlantic, Landline2013-10-18
+1 240 223USAPrince George'sMount Rainier, MDAllegiance Telecom, Landline2013-10-18
+1 240 224USAPrince George'sCell Number2013-10-18
+1 240 225USAFrederickFrederick, MDCore Communications, Landline2013-10-18
+1 240 228USAPrince George'sLaurel, MDVerizon Maryland, Landline2013-10-18