+1-301-(3481000...3481999), Kensington, Maryland

• For trunk calls: 0 301 3481000 (Trunk Code + National Destination Code + Subscriber Number)
• For international calls: 011 1 301 3481000 (International Prefix + International Dailing Code +National Destination Code + Subscriber Number)

3481000 ~ 3481999 (شمارش: 1,000)

Example:

• +1-301-3481000 / 0111-301-3481000 (1301-3481000 / 1-301-3481000)
• +1-301-3481001 / 0111-301-3481001 (1301-3481001 / 1-301-3481001)
• +1-301-3481002 / 0111-301-3481002 (1301-3481002 / 1-301-3481002)
• +1-301-3481003 / 0111-301-3481003 (1301-3481003 / 1-301-3481003)
• +1-301-3481004 / 0111-301-3481004 (1301-3481004 / 1-301-3481004)
• ...
• +1-301-xxxxxxx / 0111-301-xxxxxxx (1301-xxxxxxx / 1-301-xxxxxxx)
• ...
• +1-301-3481995 / 0111-301-3481995 (1301-3481995 / 1-301-3481995)
• +1-301-3481996 / 0111-301-3481996 (1301-3481996 / 1-301-3481996)
• +1-301-3481997 / 0111-301-3481997 (1301-3481997 / 1-301-3481997)
• +1-301-3481998 / 0111-301-3481998 (1301-3481998 / 1-301-3481998)
• +1-301-3481999 / 0111-301-3481999 (1301-3481999 / 1-301-3481999)