+1-301-(2070000...2079999), Berwyn, Maryland

• For trunk calls: 0 301 2070000 (Trunk Code + National Destination Code + Subscriber Number)
• For international calls: 011 1 301 2070000 (International Prefix + International Dailing Code +National Destination Code + Subscriber Number)

2070000 ~ 2079999 (شمارش: 10,000)

Example:

• +1-301-2070000 / 0111-301-2070000 (1301-2070000 / 1-301-2070000)
• +1-301-2070001 / 0111-301-2070001 (1301-2070001 / 1-301-2070001)
• +1-301-2070002 / 0111-301-2070002 (1301-2070002 / 1-301-2070002)
• +1-301-2070003 / 0111-301-2070003 (1301-2070003 / 1-301-2070003)
• +1-301-2070004 / 0111-301-2070004 (1301-2070004 / 1-301-2070004)
• ...
• +1-301-xxxxxxx / 0111-301-xxxxxxx (1301-xxxxxxx / 1-301-xxxxxxx)
• ...
• +1-301-2079995 / 0111-301-2079995 (1301-2079995 / 1-301-2079995)
• +1-301-2079996 / 0111-301-2079996 (1301-2079996 / 1-301-2079996)
• +1-301-2079997 / 0111-301-2079997 (1301-2079997 / 1-301-2079997)
• +1-301-2079998 / 0111-301-2079998 (1301-2079998 / 1-301-2079998)
• +1-301-2079999 / 0111-301-2079999 (1301-2079999 / 1-301-2079999)