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Area Codes for Baltimore, MarylandThe area codes used in the Baltimore metropolitan area are: 410, 443. See below for details. In Baltimore, area codes are always included in written telephone numbers and area codes must be dialed for all calls, even for local calling. All United States phone numbers are 10-digits total, including a 3-digit area code and a 7-digit local subscriber number. Baltimore area code information: Baltimore area codes:
410, 443
more... Area codes are used to route phone calls to a specific geographic area within a country. All area codes in the US are exactly 3-digits long. In the past, a given region often had just one area code. Nowadays, many cities and towns in denser urban areas have 2 or more area codes. To make an inbound international call (or domestic long distance call) to a Baltimore landline or mobile phone, you need to dial the appropriate 3-digit area code, followed by a 7-digit local subscriber number. If you don't have a fully specified 10-digit phone number, including area code, you will not be able to complete an inbound call. Lookup Baltimore phone numbersArea Codes Used In & Near Baltimore, MarylandThe following table shows the area codes in use in the Baltimore metropolitan area. Baltimore Area Codes
See maps and other area code listings below for further information. Area Codes for Towns in Baltimore AreaThe table below provides area codes for Baltimore and the largest nearby towns.
Lookup Baltimore Area CodesTo find the area codes (or ZIP codes) used in the Baltimore area, please use the WhitePages.com search widgets below. The first widget looks up area codes and ZIP codes by town. The second widget does reverse lookup by area code or ZIP code. Results will open in new page. Baltimore, Maryland Area Code MapsThe following map shows area codes for the Baltimore area. Maps may not be completely up to date. Check other map links below if this appears out of date. City Codes vs. Area CodesIn some cases, area codes may be referred to as city codes. However, a 'city code' more correctly refers to the codes used to designate airports and other geographic locations. These codes are issued under the United Nation's UN/LOCODE system and/or the IATA airport coding system. The city code for Baltimore is BAL. Other Area Code Information
* NANPA is the North American Numbering Plan Administrator. CNA is the Canadian Numbering Administrator. These are the official groups responsible for phone numbers in the US and Canada. Baltimore online telephone directoriesBaltimore dialing stepstags: Related PagesSorry, no related content.
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