+1-301-(2978000...2978999), Clinton, Maryland

• For trunk calls: 0 301 2978000 (Trunk Code + National Destination Code + Subscriber Number)
• For international calls: 011 1 301 2978000 (International Prefix + International Dailing Code +National Destination Code + Subscriber Number)

2978000 ~ 2978999 (شمارش: 1,000)

Example:

• +1-301-2978000 / 0111-301-2978000 (1301-2978000 / 1-301-2978000)
• +1-301-2978001 / 0111-301-2978001 (1301-2978001 / 1-301-2978001)
• +1-301-2978002 / 0111-301-2978002 (1301-2978002 / 1-301-2978002)
• +1-301-2978003 / 0111-301-2978003 (1301-2978003 / 1-301-2978003)
• +1-301-2978004 / 0111-301-2978004 (1301-2978004 / 1-301-2978004)
• ...
• +1-301-xxxxxxx / 0111-301-xxxxxxx (1301-xxxxxxx / 1-301-xxxxxxx)
• ...
• +1-301-2978995 / 0111-301-2978995 (1301-2978995 / 1-301-2978995)
• +1-301-2978996 / 0111-301-2978996 (1301-2978996 / 1-301-2978996)
• +1-301-2978997 / 0111-301-2978997 (1301-2978997 / 1-301-2978997)
• +1-301-2978998 / 0111-301-2978998 (1301-2978998 / 1-301-2978998)
• +1-301-2978999 / 0111-301-2978999 (1301-2978999 / 1-301-2978999)