+1-301-(2878000...2878999), Kensington, Maryland

• For trunk calls: 0 301 2878000 (Trunk Code + National Destination Code + Subscriber Number)
• For international calls: 011 1 301 2878000 (International Prefix + International Dailing Code +National Destination Code + Subscriber Number)

2878000 ~ 2878999 (شمارش: 1,000)

Example:

• +1-301-2878000 / 0111-301-2878000 (1301-2878000 / 1-301-2878000)
• +1-301-2878001 / 0111-301-2878001 (1301-2878001 / 1-301-2878001)
• +1-301-2878002 / 0111-301-2878002 (1301-2878002 / 1-301-2878002)
• +1-301-2878003 / 0111-301-2878003 (1301-2878003 / 1-301-2878003)
• +1-301-2878004 / 0111-301-2878004 (1301-2878004 / 1-301-2878004)
• ...
• +1-301-xxxxxxx / 0111-301-xxxxxxx (1301-xxxxxxx / 1-301-xxxxxxx)
• ...
• +1-301-2878995 / 0111-301-2878995 (1301-2878995 / 1-301-2878995)
• +1-301-2878996 / 0111-301-2878996 (1301-2878996 / 1-301-2878996)
• +1-301-2878997 / 0111-301-2878997 (1301-2878997 / 1-301-2878997)
• +1-301-2878998 / 0111-301-2878998 (1301-2878998 / 1-301-2878998)
• +1-301-2878999 / 0111-301-2878999 (1301-2878999 / 1-301-2878999)