+1-301-(2100000...2109999), Laurel 236, Maryland

• For trunk calls: 0 301 2100000 (Trunk Code + National Destination Code + Subscriber Number)
• For international calls: 011 1 301 2100000 (International Prefix + International Dailing Code +National Destination Code + Subscriber Number)

2100000 ~ 2109999 (شمارش: 10,000)

Example:

• +1-301-2100000 / 0111-301-2100000 (1301-2100000 / 1-301-2100000)
• +1-301-2100001 / 0111-301-2100001 (1301-2100001 / 1-301-2100001)
• +1-301-2100002 / 0111-301-2100002 (1301-2100002 / 1-301-2100002)
• +1-301-2100003 / 0111-301-2100003 (1301-2100003 / 1-301-2100003)
• +1-301-2100004 / 0111-301-2100004 (1301-2100004 / 1-301-2100004)
• ...
• +1-301-xxxxxxx / 0111-301-xxxxxxx (1301-xxxxxxx / 1-301-xxxxxxx)
• ...
• +1-301-2109995 / 0111-301-2109995 (1301-2109995 / 1-301-2109995)
• +1-301-2109996 / 0111-301-2109996 (1301-2109996 / 1-301-2109996)
• +1-301-2109997 / 0111-301-2109997 (1301-2109997 / 1-301-2109997)
• +1-301-2109998 / 0111-301-2109998 (1301-2109998 / 1-301-2109998)
• +1-301-2109999 / 0111-301-2109999 (1301-2109999 / 1-301-2109999)