How to Call Baltimore, Maryland

CallingBaltimore.com provides detailed information for making international long distance telephone calls to Baltimore, Maryland, USA from any country in the world.

United States phone numbers are highly standardized, so Baltimore phone numbers follow the same format used throughout the US. Mobile numbers and landline numbers have identical 10-digit formats.

Dial Baltimore, United States

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Baltimore Dialing Codes

To make an international phone call to Baltimore, MD, the following dialing codes will be required.

United States phone numbers are highly standardized and are always 10-digits long. They are almost universally written to include all 10-digits. This makes dialing USA phone numbers a bit easier than in some countries.

Type of Dialing Code Dialing Code Format Find Dialing Codes
International access code
(specific to your originating country)
ddd  Lookup international access codes
United States country code Lookup other country codes
Baltimore area code
(3-digits; always included in written phone numbers)
aaa  Find Baltimore area codes
Baltimore landline subscriber numbers
(7-digits; always included in written phone numbers)
nnn nnnn  Find Baltimore phone numbers
Baltimore mobile subscriber numbers
(7-digits; always included in written phone numbers)
nnn nnnn  Find Baltimore phone numbers

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Phone Number Format for International Calls

To make an international phone call to Baltimore, you generally will need to dial a phone number formatted as follows:

International Phone Number Format
to Call Baltimore, MD

ddd aaa  nnn nnnn 
international
access code
country
code
area
code
local subscriber
number

Taking this general format, you need to plug in the outbound international access code for your originating country and the complete 10-digit phone number in Baltimore.

In the US, landline numbers and cell phone numbers have identical 10-digit formats.

More information:

More on int'l phone numbers >>>>>

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Landline vs. Mobile Phone Number Formats

In Baltimore and throughout the US, landline phones and mobile phones have identical phone number formats. Both types of phone numbers are 10-digits long, including a 3-digit area code and a 7-digit subscriber number.

The complete international phone numbers you should use to reach the two types of phones are shown below.

Landline vs. Mobile Phone Number Format
Baltimore landline phone numbers ddd 1 aaa nnn nnnn 
Baltimore mobile phone numbers ddd 1 aaa nnn nnnn 

More on landline vs. mobile dialing >>>>>

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Call Baltimore from Selected Countries

For dialing information on calling Baltimore from specific countries, please follow the country links below. On these pages, you will find country-specific dialing codes, phone number formats, and step-by-step dialing instructions for calling Baltimore, MD from your country.

If your country is not listed, please follow the Baltimore dialing procedure.

Call Baltimore, MD from Selected Countries
The Americas
Call Baltimore from Brazil
Call Baltimore from Canada
Call Baltimore from Mexico
Europe
Call Baltimore from France
Call Baltimore from Germany
Call Baltimore from Ireland
Call Baltimore from Italy
Call Baltimore from the Netherlands
Call Baltimore from the UK
Middle East & Africa
Call Baltimore from Bahrain
Call Baltimore from Israel
Call Baltimore from Kuwait
Call Baltimore from Qatar
Call Baltimore from Saudi Arabia
Call Baltimore from South Africa
Call Baltimore from the UAE / Dubai
Asia Pacific
Call Baltimore from Australia
Call Baltimore from China
Call Baltimore from India
Call Baltimore from Japan
Call Baltimore from New Zealand
Call Baltimore from Pakistan
Call Baltimore from the Philippines
Call Baltimore from Singapore
Call Baltimore from South Korea
Call Baltimore from Taiwan

Additional countries >>>>>

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Call Baltimore from Any Country

To make an international call to Baltimore, MD, USA, you first need to dial the international access code (aka 'IDD') for your originating country. You can lookup the international access code for your country in the widget below.

Find an International Access Code / IDD
Calling from...
Your IDD
Your IDD will print here

Insert your IDD at the maroon x's below to create a complete international phone number for dialing Baltimore.

  • Phone number format to call a Baltimore landline number:
    'ddd 1 aaa nnn nnnn '
  • Phone number format to call a Baltimore mobile number:
    'ddd 1 aaa nnn nnnn '

Notes:

  • Some countries, e.g., Australia, France, Singapore, use more than one IDD to designate specific carriers, specific countries, or other purposes. Be sure to use the correct code for your carrier or calling plan.
  • A '~' symbol indicates a dialing pause. Dial any numbers before the '~', then wait for tone before continuing to dial.
  • Dial only the numerical digits shown - any other characters are informational only.

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