To call a mobile phone in United States from Estonia use the following dialing code format: 00 + 1 + The Number Click here to search for another mobile country code.
The North Dakota, United States area code chart below gives you the necessary information for calling North Dakota cities. For international dialing instructions to North Dakota, United States, use our drop down boxes at the top of this page or check out our easy-to-use country code search tool.
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