Follow the links below for detailed international dialing instructions for calling Baltimore, Maryland from over 25 major countries.

Each country page provides country-specific international dialing codes, international access codes, phone number formats, and other calling information. Each page also provides information for dialing Baltimore landline and mobile phone numbers, including information on phone number formats in .

If your country is not listed, please refer to these general dialing instructions for calling Baltimore, MD.

If needed, you can lookup your international access code here.

Calling from Baltimore to another country?
find outbound dialing information here

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Additional Baltimore dialing information