FAIRFAX COUNTY ZIP CODE AREAS

Section Index

Identification_Information
Data_Quality_Information
Spatial_Data_Organization_Information
Spatial_Reference_Information
Entity_and_Attribute_Information
Distribution_Information
Metadata_Reference_Information

Identification Information

Section Index

    Citation:
      Citation Information:
        Originator: Fairfax County Government
        Publication Date: 01/01/1996
        Title: Fairfax County Zip Code Areas
        Geospatial Data Presentation Form: map
        Publication Information:
          Publication Place: Fairfax County, Virginia, USA
          Publisher: Fairfax County Government
    Description:
      Abstract: Geographic boundaries of postal zip areas within Fairfax County
      Purpose: To assist the public to determine proper zip code areas, and to assist the United States Postal Service in delivery of mail.
    Time Period of Content:
      Time Period Information:
        Multiple Dates/Times:
          Single Date/Time:
            Calendar Date: 1996
          Single Date/Time:
            Calendar Date: 1997
          Single Date/Time:
            Calendar Date: 1998
          Single Date/Time:
            Calendar Date: 1999
          Single Date/Time:
            Calendar Date: 2000
          Single Date/Time:
            Calendar Date: 2001
          Single Date/Time:
            Calendar Date: 2002
          Single Date/Time:
            Calendar Date: 2003
      Currentness Reference: publication date
    Status:
      Progress: Complete
      Maintenance and Update Frequency: As needed
    Spatial Domain:
      Bounding Coordinates:
        West Bounding Coordinate: -77.54533008
        East Bounding Coordinate: -77.03408065
        North Bounding Coordinate: 39.0804078
        South Bounding Coordinate: 38.61389198
      Data Set G-Polygon:
        Data Set G-Polygon Outer G-Ring:
          G-Ring Point:
            G-Ring Latitude: 39.0804078
            G-Ring Longitude: -77.54533008
          G-Ring Point:
            G-Ring Latitude: 38.61389198
            G-Ring Longitude: -77.54533008
          G-Ring Point:
            G-Ring Latitude: 38.61389198
            G-Ring Longitude: -77.03408065
          G-Ring Point:
            G-Ring Latitude: 39.0804078
            G-Ring Longitude: -77.03408065
          G-Ring Point:
            G-Ring Latitude: 39.0804078
            G-Ring Longitude: -77.54533008
    Keywords:
      Theme:
        Theme Keyword Thesaurus: None
        Theme Keyword: Zip
        Theme Keyword: Zip Code
        Theme Keyword: Zipcode
        Theme Keyword: Postal City
      Place:
        Place Keyword Thesaurus: None
        Place Keyword: Fairfax County, Virginia, USA
    Access Constraints: None
    Use Constraints: Not for use at scales greater than 1:24000. Acknowledgement of the Fairfax County GIS branch would be appreciated in products derived from these data.
    Point of Contact:
      Contact Information:
        Contact Organization Primary:
          Contact Organization: United States Postal Services
        Contact Position: Mapping Technician
        Contact Address:
          Address Type: mailing address
          Address: 44715 Prentice Dr.
          City: Dulles
          State or Province: VA
          Postal Code: 20101-9321
          Country: USA
        Contact Voice Telephone: (703)-406-6354
        Contact TDD/TTY Telephone: 711
        Contact Facsimile Telephone: (703)-406-6467
        Hours of Service: 8:00am - 4:30pm Monday - Friday EST
    Data Set Credit: We use the efforts of the ASI for conversion process, Fairfax County GIS and Mapping Services and Engineering Systems for reviewing the data.
    Native Data Set Environment:
      ESRI ArcInfo - IBM AIX - Windows - Coverage distribution layer name = disc 1, zipcode99 - Shapefile distribution layer name = disc 1, zipcodezip99, zipcodearea99 SDE - LAYER NAMES:
      GISMGR.ZIPCODE_ZIP_ANNO
      GISMGR.ZIPCODE_LINE
      GISMGR.ZIPCODE_ZIP_POLY
      GISMGR.ZIPCODE_AREA_ANNO
      GISMGR.ZIPCODE_AREA_POLY
      GISMGR.ZIPCODE_POBOX_ANNO

Data Quality Information

Section Index

    Attribute Accuracy:
      Attribute Accuracy Report: Discrepancies noted by public, governments, etc, are verified and corrected as needed.
    Logical Consistency Report:
      This layer as been built and has polygon, arc, and region topology. Zip codes are in one region subclass, zip areas are in another region subclass. Zip text is stored in one annotation subclass and zip area text is stored in another subclass. The zip code region contains the zip code attribute and the zip area region contains the area name attribute.
    Completeness Report: Due to the annual (and occasional) revisions to be made the data, the accuracy is 99% accurate.
    Positional Accuracy:
      Horizontal Positional Accuracy:
        Horizontal Positional Accuracy Report: Horizontal positional accuracy for the digital data is tested by visual comparison of the source with the hard copy.
    Lineage:
      Source Information:
        Source Citation:
          Citation Information:
            Originator: Fairfax County Government
            Publication Date: 01/01/1996
            Title: Fairfax County Zip Code Areas
            Geospatial Data Presentation Form: map
            Publication Information:
              Publication Place: Fairfax County, Virginia, USA
              Publisher: Fairfax County Government
        Source Scale Denominator: 48000
        Type of Source Media: stable-base material
        Source Time Period of Content:
          Time Period Information:
            Single Date/Time:
              Calendar Date: 1995
          Source Currentness Reference: publication date
        Source Citation Abbreviation: Zip Code Map
        Source Contribution: Zip code map provided boundaries for zip codes and areas and text for zip code numbers and place names.
      Source Information:
        Source Citation Abbreviation: Zip code coverage
      Process Step:
        Process Description: Established in accordance with United States Postal Service capabilities, mail processing operations, and transportation efficiency.
        Process Contact:
          Contact Information:
            Contact Organization Primary:
              Contact Organization: United States Postal Services
            Contact Position: Mapping Technician
            Contact Address:
              Address Type: mailing address
              Address: 44715 Prentice Dr.
              City: Dulles
              State or Province: VA
              Postal Code: 20101-9321
              Country: USA
            Contact Voice Telephone: (703)-406-6354
            Contact TDD/TTY Telephone: 711
            Contact Facsimile Telephone: (703)-406-6467
            Hours of Service: 8:00am - 4:30pm Monday - Friday EST
      Process Step:
        Process Description: Digitized zip code boundaries and area boundaries. Entered zip code text and area name text from zip code map.
        Source Used Citation Abbreviation: Zip Code Map
        Process Date: 1995
        Source Produced Citation Abbreviation: Zip code coverage
        Process Contact:
          Contact Information:
            Contact Organization Primary:
              Contact Organization: Fairfax County GIS and Mapping Services
            Contact Position: Database Administrator
            Contact Address:
              Address Type: mailing and physical address
              Address: 12000 Government Center Pw. Suite 117
              City: Fairfax
              State or Province: VA
              Postal Code: 22035
              Country: USA
            Contact Voice Telephone: (703)-324-2712
            Contact TDD/TTY Telephone: 711
            Contact Facsimile Telephone: (703)-324-3937
            Contact Electronic Mail Address: gis.helpq@fairfaxcounty.gov
            Hours of Service: Monday 8:00am - 4:15pm / Tuesday 9:00am - 4:15pm / Wednesday - Friday 8:00am - 4:15pm (EST)

Spatial Data Organization Information

Section Index

    Indirect Spatial Reference: Zip codes and street address.
    Direct Spatial Reference Method: Vector

Spatial Reference Information

Section Index

    Horizontal Coordinate System Definition:
      Planar:
        Planar Coordinate Information:
          Planar Coordinate Encoding Method: Coordinate Pair
          Coordinate Representation:
            Abscissa Resolution: 0.01
            Ordinate Resolution: 0.01
      Geodetic Model:
        Horizontal Datum Name: North American Datum of 1983
        Ellipsoid Name: Geodetic Reference System 80
        Semi-major Axis: 6378206
        Denominator of Flattening Ratio: 294.9786982
    Vertical Coordinate System Definition:
      Altitude System Definition:
        Altitude Datum Name: National Geodetic Vertical Datum of 1929
        Altitude Distance Units: feet
        Altitude Encoding Method: Attribute values

Entity and Attribute Information

Section Index

    Detailed Description:
      Entity Type:
        Entity Type Label: GISMGR.ZIPCODE_ZIP_POLY
        Entity Type Definition: zip codes polygons
      Attribute:
        Attribute Label: Zipcode
        Attribute Definition: Integer 5
        Attribute Definition Source: United States Postal Service assigns the zip codes.
        Attribute Domain Values:
          Range Domain:
            Range Domain Minimum: 00000
            Range Domain Maximum: 99999
        Beginning Date of Attribute Values: 1999
    Detailed Description:
      Entity Type:
        Entity Type Label: GISMGR.ZIPCODE_AREA_POLY
        Entity Type Definition: postal city polygons
      Attribute:
        Attribute Label: Zipname
        Attribute Definition: Text 30
        Attribute Definition Source: United States Postal Service assigns the zip code areas
        Attribute Domain Values:
          Unrepresentable Domain: Names of United States Postal Service jurisdictions.
        Beginning Date of Attribute Values: 1999
    Detailed Description:
      Entity Type:
        Entity Type Label: GISMGR.ZIPCODE_ZIP_ANNO
        Entity Type Definition: zip code anno
    Detailed Description:
      Entity Type:
        Entity Type Label: GISMGR.ZIPCODE_LINE
        Entity Type Definition: zip code arcs
      Attribute:
        Attribute Label: zareasym
        Attribute Definition: Integer 5
        Attribute Domain Values:
          Enumerated Domain:
            Enumerated Domain Value: 0
            Enumerated Domain Value Definition: not a zip area boundary line
            Enumerated Domain Value: 331
            Enumerated Domain Value Definition: zip area boundary line
      Attribute:
        Attribute Label: zipsym
        Attribute Definition: Integer 5
        Attribute Domain Values:
          Enumerated Domain:
            Enumerated Domain Value: 0
            Enumerated Domain Value Definition: not a zip code boundry line
            Enumerated Domain Value: 332
            Enumerated Domain Value Definition: zip code boundry line
    Detailed Description:
      Entity Type:
        Entity Type Label: GISMGR.ZIPCODE_AREA_ANNO
        Entity Type Definition: postral city anno
    Detailed Description:
      Entity Type:
        Entity Type Label: GISMGR.ZIPCODE_POBOX_ANNO
        Entity Type Definition: post office box anno
    Overview Description:
      Entity and Attribute Overview: Zip code boundaries which include zip code numeric identifier. Zip code area boundaries which include zip code area name.

Distribution Information

Section Index

    Distributor:
      Contact Information:
        Contact Organization Primary:
          Contact Organization: Fairfax County GIS and Mapping Services
        Contact Position: Database Administrator
        Contact Address:
          Address Type: mailing and physical address
          Address: 12000 Government Center Pw. Suite 117
          City: Fairfax
          State or Province: VA
          Postal Code: 22035
          Country: USA
        Contact Voice Telephone: (703)-324-2712
        Contact TDD/TTY Telephone: 711
        Contact Facsimile Telephone: (703)-324-3937
        Contact Electronic Mail Address: gis.helpq@fairfaxcounty.gov
        Hours of Service: Monday 8:00am - 4:15pm / Tuesday 9:00am - 4:15pm / Wednesday - Friday 8:00am - 4:15pm (EST)
    Resource Description: Fairfax County Zip Code Areas
    Distribution Liability:
      User must assume responsibility to determine the usability of this data for their purpose. A signed copy of the license agreement must be on file with the Fairfax County GIS and Mapping Services Office.
    Standard Order Process:
      Digital Form:
        Digital Transfer Information:
          Format Name: ArcInfo coverage
          Format Version Number: 8.0
          File Decompression Technique: No compression
      Digital Form:
        Digital Transfer Information:
          Format Name: ArcView Shapefile
          Format Version Number: 8.0
          File Decompression Technique: No compression
      Fees:
        Wall Map Data
        This data set includes over 30 layers of attributed vector map data that were derived primarily from the Fairfax County 1"= 2000' and 1"= 4000' Wall Map Series.

        The GIS Wall Map CD in Coverage format sells for $25.
        The GIS Wall Map CD in Shapefile format sells for $25.

        A hard copy of our *wall maps are available at the Fairfax County Government Publications Center located at the Fairfax County Government Center Building - 12000 Government Center Pw.- Fairfax - VA. - Suite 156 - Phone # 703-324-2974 or 703-324-2975. Prices range from $1.50 to $15.00.

        * Some of our hard copy maps are not for sale to the public or may be out of stock. Contact the Fairfax County Publication Center on the availabilty of which maps can be purchased.
      Ordering Instructions:
        CD data can be requested by mail, fax, or in person. Orders will not be processed until payment is received. Acceptable forms of payment include: cash, check, or money order ( credit cards are not accecpted). The order form and license agreement can be downloaded/printed from the Fairfax County GSI Web page (http://www.fairfaxcounty.gov/maps/forms.htm) and sent to GIS and Mapping Services-12000 Government Center Pw.-Suite 117-Fairfax-VA-22035-0010. Any questions about the GIS Wall Map CD should be directed to the GIS and Mapping Services @ (703)-324-2712.
      Turnaround: Five (5) working days.

Metadata Reference Information

Section Index

    Metadata Date: 10/28/2003
    Metadata Review Date: 7/14/2004
    Metadata Future Review Date: 1/1/2005
    Metadata Contact:
      Contact Information:
        Contact Organization Primary:
          Contact Organization: Fairfax County GIS and Mapping Services
        Contact Position: Database Administrator
        Contact Address:
          Address Type: mailing and physical address
          Address: 12000 Government Center Pw. Suite 117
          City: Fairfax
          State or Province: VA
          Postal Code: 22035
          Country: USA
        Contact Voice Telephone: (703)-324-2712
        Contact TDD/TTY Telephone: 711
        Contact Facsimile Telephone: (703)-324-3937
        Contact Electronic Mail Address: gis.helpq@fairfaxcounty.gov
        Hours of Service: Monday 8:00am - 4:15pm / Tuesday 9:00am - 4:15pm / Wednesday - Friday 8:00am - 4:15pm (EST)
    Metadata Standard Name: FGDC Content Standards for Digital Geospatial Metadata
    Metadata Standard Version: FGDC-STD-06-1994
    Metadata Time Convention: local time
SMMS Metadata report generated 7/14/2004