+1-301-(2231000...2231999), Williamsport, Maryland

• For trunk calls: 0 301 2231000 (Trunk Code + National Destination Code + Subscriber Number)
• For international calls: 011 1 301 2231000 (International Prefix + International Dailing Code +National Destination Code + Subscriber Number)

2231000 ~ 2231999 (شمارش: 1,000)

Example:

• +1-301-2231000 / 0111-301-2231000 (1301-2231000 / 1-301-2231000)
• +1-301-2231001 / 0111-301-2231001 (1301-2231001 / 1-301-2231001)
• +1-301-2231002 / 0111-301-2231002 (1301-2231002 / 1-301-2231002)
• +1-301-2231003 / 0111-301-2231003 (1301-2231003 / 1-301-2231003)
• +1-301-2231004 / 0111-301-2231004 (1301-2231004 / 1-301-2231004)
• ...
• +1-301-xxxxxxx / 0111-301-xxxxxxx (1301-xxxxxxx / 1-301-xxxxxxx)
• ...
• +1-301-2231995 / 0111-301-2231995 (1301-2231995 / 1-301-2231995)
• +1-301-2231996 / 0111-301-2231996 (1301-2231996 / 1-301-2231996)
• +1-301-2231997 / 0111-301-2231997 (1301-2231997 / 1-301-2231997)
• +1-301-2231998 / 0111-301-2231998 (1301-2231998 / 1-301-2231998)
• +1-301-2231999 / 0111-301-2231999 (1301-2231999 / 1-301-2231999)