+1-301-(2124000...2124999), Rockville, Maryland

• For trunk calls: 0 301 2124000 (Trunk Code + National Destination Code + Subscriber Number)
• For international calls: 011 1 301 2124000 (International Prefix + International Dailing Code +National Destination Code + Subscriber Number)

2124000 ~ 2124999 (العدد: 1,000)

Example:

• +1-301-2124000 / 0111-301-2124000 (1301-2124000 / 1-301-2124000)
• +1-301-2124001 / 0111-301-2124001 (1301-2124001 / 1-301-2124001)
• +1-301-2124002 / 0111-301-2124002 (1301-2124002 / 1-301-2124002)
• +1-301-2124003 / 0111-301-2124003 (1301-2124003 / 1-301-2124003)
• +1-301-2124004 / 0111-301-2124004 (1301-2124004 / 1-301-2124004)
• ...
• +1-301-xxxxxxx / 0111-301-xxxxxxx (1301-xxxxxxx / 1-301-xxxxxxx)
• ...
• +1-301-2124995 / 0111-301-2124995 (1301-2124995 / 1-301-2124995)
• +1-301-2124996 / 0111-301-2124996 (1301-2124996 / 1-301-2124996)
• +1-301-2124997 / 0111-301-2124997 (1301-2124997 / 1-301-2124997)
• +1-301-2124998 / 0111-301-2124998 (1301-2124998 / 1-301-2124998)
• +1-301-2124999 / 0111-301-2124999 (1301-2124999 / 1-301-2124999)