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4 datasets found for ""Area Codes""
  • State

    Urban Areas 2020

    State of Maryland —

    For the 2020 Census, an urban area will comprise a densely developed core of census blocks that meet minimum housing unit density requirements, along with adjacent...
  • State

    Telephone Area Codes

    State of Maryland —

    Maryland Telephone Area Code Boundaries represents the telephone area codes for the State of Maryland. They are also known as Numbering Plan Areas (NPA). The...
  • State

    Telephone Area Codes

    State of Maryland —

    Maryland Telephone Area Code Boundaries represents the telephone area codes for the State of Maryland. They are also known as Numbering Plan Areas (NPA). The...
  • State

    Urban Areas 2020

    State of Maryland —

    For the 2020 Census, an urban area will comprise a densely developed core of census blocks that meet minimum housing unit density requirements, along with adjacent...
4 datasets found for ""Area Codes""

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