+1-301-(2447000...2447999), Silver Spring, Maryland

• For trunk calls: 0 301 2447000 (Trunk Code + National Destination Code + Subscriber Number)
• For international calls: 011 1 301 2447000 (International Prefix + International Dailing Code +National Destination Code + Subscriber Number)

2447000 ~ 2447999 (العدد: 1,000)

Example:

• +1-301-2447000 / 0111-301-2447000 (1301-2447000 / 1-301-2447000)
• +1-301-2447001 / 0111-301-2447001 (1301-2447001 / 1-301-2447001)
• +1-301-2447002 / 0111-301-2447002 (1301-2447002 / 1-301-2447002)
• +1-301-2447003 / 0111-301-2447003 (1301-2447003 / 1-301-2447003)
• +1-301-2447004 / 0111-301-2447004 (1301-2447004 / 1-301-2447004)
• ...
• +1-301-xxxxxxx / 0111-301-xxxxxxx (1301-xxxxxxx / 1-301-xxxxxxx)
• ...
• +1-301-2447995 / 0111-301-2447995 (1301-2447995 / 1-301-2447995)
• +1-301-2447996 / 0111-301-2447996 (1301-2447996 / 1-301-2447996)
• +1-301-2447997 / 0111-301-2447997 (1301-2447997 / 1-301-2447997)
• +1-301-2447998 / 0111-301-2447998 (1301-2447998 / 1-301-2447998)
• +1-301-2447999 / 0111-301-2447999 (1301-2447999 / 1-301-2447999)