+1-301-(2237000...2237999), Williamsport, Maryland

• For trunk calls: 0 301 2237000 (Trunk Code + National Destination Code + Subscriber Number)
• For international calls: 011 1 301 2237000 (International Prefix + International Dailing Code +National Destination Code + Subscriber Number)

2237000 ~ 2237999 (العدد: 1,000)

Example:

• +1-301-2237000 / 0111-301-2237000 (1301-2237000 / 1-301-2237000)
• +1-301-2237001 / 0111-301-2237001 (1301-2237001 / 1-301-2237001)
• +1-301-2237002 / 0111-301-2237002 (1301-2237002 / 1-301-2237002)
• +1-301-2237003 / 0111-301-2237003 (1301-2237003 / 1-301-2237003)
• +1-301-2237004 / 0111-301-2237004 (1301-2237004 / 1-301-2237004)
• ...
• +1-301-xxxxxxx / 0111-301-xxxxxxx (1301-xxxxxxx / 1-301-xxxxxxx)
• ...
• +1-301-2237995 / 0111-301-2237995 (1301-2237995 / 1-301-2237995)
• +1-301-2237996 / 0111-301-2237996 (1301-2237996 / 1-301-2237996)
• +1-301-2237997 / 0111-301-2237997 (1301-2237997 / 1-301-2237997)
• +1-301-2237998 / 0111-301-2237998 (1301-2237998 / 1-301-2237998)
• +1-301-2237999 / 0111-301-2237999 (1301-2237999 / 1-301-2237999)