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Maryland is divided into two geographic zones, with a line running from northwest to southeast.
On the northeast side, including Baltimore, Annapolis, and the Atlantic coast, the area codes are +1 410, +1 443, and +1 667.
On the southwest side, including the D.C. suburbs, Frederick, and Cumberland, the area codes are +1 301 and +1 240.
(The plus sign means "insert your international access prefix here." From a GSM mobile phone, you can enter the number in full international format, starting with the plus sign. The most common prefix is 00, but Japan uses 010, Australia uses 0011, and many other countries use different prefixes.)
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What US cities are served by the 301 area code?
The 301 area code was intoduced on January 31, 2006. The 301 area code covers certain areas of Maryland, inxluding the major city of Rockwell, Maryland.
When did Maryland add the 410 area code?
Area code 410, serving the northern/eastern parts of Maryland, went into service on October 6, 1991. Prior to that date, all of Maryland was area code 301.
What is the area code for the Indian Ocean?
The Indian Ocean doesn't have an area code.
What is the area code for Waldorf Maryland?
Waldorf, MD, is in area code 301 with overlay code 240.
What is the area with the ZIP code of 20746?
Suitland Maryland
Where is prefix 425 with area code 301?
Maryland suburbs of Washington, D.C., specifically the zone designated "Washington 13"
What is the area code for Redwood City CA?
Redwood City is in area code 650.
What is the area code for Missouri City TX?
Missouri City is in area code 281, with overlay code 832. There may also be some Missouri City numbers in area code 713.
What is the airport code for Salisbury-Ocean City Wicomico Regional Airport?
The airport code for Salisbury-Ocean City Wicomico Regional Airport is SBY.
Is there a charge to call area code 808 from area code 301?
Area code 808 is Hawaii. Area code 301 is in Maryland. Unless you have nationwide long distance included in your calling plan, there will be a charge for that call.
What ZIP code for Area code 479?
The area code 479 is for the state of Arkansas. A zip code is for a city or part of a city. By area code alone you cannot determine a zip code.
What is the area code for Rockwell City Iowa?
Rockwell City, Iowa, is in area code 712.
