+1-301-(3219000...3219999), Kensington, Maryland

• For trunk calls: 0 301 3219000 (Trunk Code + National Destination Code + Subscriber Number)
• For international calls: 011 1 301 3219000 (International Prefix + International Dailing Code +National Destination Code + Subscriber Number)

3219000 ~ 3219999 (شمارش: 1,000)

Example:

• +1-301-3219000 / 0111-301-3219000 (1301-3219000 / 1-301-3219000)
• +1-301-3219001 / 0111-301-3219001 (1301-3219001 / 1-301-3219001)
• +1-301-3219002 / 0111-301-3219002 (1301-3219002 / 1-301-3219002)
• +1-301-3219003 / 0111-301-3219003 (1301-3219003 / 1-301-3219003)
• +1-301-3219004 / 0111-301-3219004 (1301-3219004 / 1-301-3219004)
• ...
• +1-301-xxxxxxx / 0111-301-xxxxxxx (1301-xxxxxxx / 1-301-xxxxxxx)
• ...
• +1-301-3219995 / 0111-301-3219995 (1301-3219995 / 1-301-3219995)
• +1-301-3219996 / 0111-301-3219996 (1301-3219996 / 1-301-3219996)
• +1-301-3219997 / 0111-301-3219997 (1301-3219997 / 1-301-3219997)
• +1-301-3219998 / 0111-301-3219998 (1301-3219998 / 1-301-3219998)
• +1-301-3219999 / 0111-301-3219999 (1301-3219999 / 1-301-3219999)