+1-301-(3139000...3139999), Berwyn, Maryland

• For trunk calls: 0 301 3139000 (Trunk Code + National Destination Code + Subscriber Number)
• For international calls: 011 1 301 3139000 (International Prefix + International Dailing Code +National Destination Code + Subscriber Number)

3139000 ~ 3139999 (شمارش: 1,000)

Example:

• +1-301-3139000 / 0111-301-3139000 (1301-3139000 / 1-301-3139000)
• +1-301-3139001 / 0111-301-3139001 (1301-3139001 / 1-301-3139001)
• +1-301-3139002 / 0111-301-3139002 (1301-3139002 / 1-301-3139002)
• +1-301-3139003 / 0111-301-3139003 (1301-3139003 / 1-301-3139003)
• +1-301-3139004 / 0111-301-3139004 (1301-3139004 / 1-301-3139004)
• ...
• +1-301-xxxxxxx / 0111-301-xxxxxxx (1301-xxxxxxx / 1-301-xxxxxxx)
• ...
• +1-301-3139995 / 0111-301-3139995 (1301-3139995 / 1-301-3139995)
• +1-301-3139996 / 0111-301-3139996 (1301-3139996 / 1-301-3139996)
• +1-301-3139997 / 0111-301-3139997 (1301-3139997 / 1-301-3139997)
• +1-301-3139998 / 0111-301-3139998 (1301-3139998 / 1-301-3139998)
• +1-301-3139999 / 0111-301-3139999 (1301-3139999 / 1-301-3139999)