+1-301-(2300000...2309999), Kensington, Maryland

• For trunk calls: 0 301 2300000 (Trunk Code + National Destination Code + Subscriber Number)
• For international calls: 011 1 301 2300000 (International Prefix + International Dailing Code +National Destination Code + Subscriber Number)

2300000 ~ 2309999 (شمارش: 10,000)

Example:

• +1-301-2300000 / 0111-301-2300000 (1301-2300000 / 1-301-2300000)
• +1-301-2300001 / 0111-301-2300001 (1301-2300001 / 1-301-2300001)
• +1-301-2300002 / 0111-301-2300002 (1301-2300002 / 1-301-2300002)
• +1-301-2300003 / 0111-301-2300003 (1301-2300003 / 1-301-2300003)
• +1-301-2300004 / 0111-301-2300004 (1301-2300004 / 1-301-2300004)
• ...
• +1-301-xxxxxxx / 0111-301-xxxxxxx (1301-xxxxxxx / 1-301-xxxxxxx)
• ...
• +1-301-2309995 / 0111-301-2309995 (1301-2309995 / 1-301-2309995)
• +1-301-2309996 / 0111-301-2309996 (1301-2309996 / 1-301-2309996)
• +1-301-2309997 / 0111-301-2309997 (1301-2309997 / 1-301-2309997)
• +1-301-2309998 / 0111-301-2309998 (1301-2309998 / 1-301-2309998)
• +1-301-2309999 / 0111-301-2309999 (1301-2309999 / 1-301-2309999)