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Area Code for Frederick City in Frederick County, Maryland State, USA Area Code Lookup

Frederick is a town/City in Frederick County, Maryland in USA . The ZIP codes or postal codes are used within the United States to help the United States Postal Service (USPS) to send or receive mail more efficiently. Following are the Country Codes, Phone Codes, Dialing Codes Area Codes by Zip codes used in theFrederick, Frederick County, Maryland, Usa. Following List of Area codes / Dialing Codes by ZIP Codes in Frederick, Frederick County, Maryland Frederick, Frederick County, Maryland, Usa
SL No. Zip Code City County State Country Area Code
1 21701 Frederick Frederick County Maryland Usa 301
2 21702 Frederick Frederick County Maryland Usa 301
3 21703 Frederick Frederick County Maryland Usa 301
4 21704 Frederick Frederick County Maryland Usa 301
5 21705 Frederick Frederick County Maryland Usa 301
6 21709 Frederick Frederick County Maryland Usa 301
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