+1-301-(3008000...3008999), Bethesda, Maryland

• For trunk calls: 0 301 3008000 (Trunk Code + National Destination Code + Subscriber Number)
• For international calls: 011 1 301 3008000 (International Prefix + International Dailing Code +National Destination Code + Subscriber Number)

3008000 ~ 3008999 (شمارش: 1,000)

Example:

• +1-301-3008000 / 0111-301-3008000 (1301-3008000 / 1-301-3008000)
• +1-301-3008001 / 0111-301-3008001 (1301-3008001 / 1-301-3008001)
• +1-301-3008002 / 0111-301-3008002 (1301-3008002 / 1-301-3008002)
• +1-301-3008003 / 0111-301-3008003 (1301-3008003 / 1-301-3008003)
• +1-301-3008004 / 0111-301-3008004 (1301-3008004 / 1-301-3008004)
• ...
• +1-301-xxxxxxx / 0111-301-xxxxxxx (1301-xxxxxxx / 1-301-xxxxxxx)
• ...
• +1-301-3008995 / 0111-301-3008995 (1301-3008995 / 1-301-3008995)
• +1-301-3008996 / 0111-301-3008996 (1301-3008996 / 1-301-3008996)
• +1-301-3008997 / 0111-301-3008997 (1301-3008997 / 1-301-3008997)
• +1-301-3008998 / 0111-301-3008998 (1301-3008998 / 1-301-3008998)
• +1-301-3008999 / 0111-301-3008999 (1301-3008999 / 1-301-3008999)