+1-301-(2981000...2981999), Upper Marlboro, Maryland

• For trunk calls: 0 301 2981000 (Trunk Code + National Destination Code + Subscriber Number)
• For international calls: 011 1 301 2981000 (International Prefix + International Dailing Code +National Destination Code + Subscriber Number)

2981000 ~ 2981999 (شمارش: 1,000)

Example:

• +1-301-2981000 / 0111-301-2981000 (1301-2981000 / 1-301-2981000)
• +1-301-2981001 / 0111-301-2981001 (1301-2981001 / 1-301-2981001)
• +1-301-2981002 / 0111-301-2981002 (1301-2981002 / 1-301-2981002)
• +1-301-2981003 / 0111-301-2981003 (1301-2981003 / 1-301-2981003)
• +1-301-2981004 / 0111-301-2981004 (1301-2981004 / 1-301-2981004)
• ...
• +1-301-xxxxxxx / 0111-301-xxxxxxx (1301-xxxxxxx / 1-301-xxxxxxx)
• ...
• +1-301-2981995 / 0111-301-2981995 (1301-2981995 / 1-301-2981995)
• +1-301-2981996 / 0111-301-2981996 (1301-2981996 / 1-301-2981996)
• +1-301-2981997 / 0111-301-2981997 (1301-2981997 / 1-301-2981997)
• +1-301-2981998 / 0111-301-2981998 (1301-2981998 / 1-301-2981998)
• +1-301-2981999 / 0111-301-2981999 (1301-2981999 / 1-301-2981999)