+1-301-(3126000...3126999), Bethesda, Maryland

• For trunk calls: 0 301 3126000 (Trunk Code + National Destination Code + Subscriber Number)
• For international calls: 011 1 301 3126000 (International Prefix + International Dailing Code +National Destination Code + Subscriber Number)

3126000 ~ 3126999 (العدد: 1,000)

Example:

• +1-301-3126000 / 0111-301-3126000 (1301-3126000 / 1-301-3126000)
• +1-301-3126001 / 0111-301-3126001 (1301-3126001 / 1-301-3126001)
• +1-301-3126002 / 0111-301-3126002 (1301-3126002 / 1-301-3126002)
• +1-301-3126003 / 0111-301-3126003 (1301-3126003 / 1-301-3126003)
• +1-301-3126004 / 0111-301-3126004 (1301-3126004 / 1-301-3126004)
• ...
• +1-301-xxxxxxx / 0111-301-xxxxxxx (1301-xxxxxxx / 1-301-xxxxxxx)
• ...
• +1-301-3126995 / 0111-301-3126995 (1301-3126995 / 1-301-3126995)
• +1-301-3126996 / 0111-301-3126996 (1301-3126996 / 1-301-3126996)
• +1-301-3126997 / 0111-301-3126997 (1301-3126997 / 1-301-3126997)
• +1-301-3126998 / 0111-301-3126998 (1301-3126998 / 1-301-3126998)
• +1-301-3126999 / 0111-301-3126999 (1301-3126999 / 1-301-3126999)