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I downloaded an LPK file from the ESRI site that contains USPS defined zip codes. Because I'm working with QGIS on a Mac, I converted the file to a .zip. There's a .lyr file that opened up in the zip, but I'm not able to open that up on QGIS.

Is there a way to convert the contents of an ESRI layer package file (.lpk) into a shapefile with the associated data, and that I can open with QGIS on a Mac?

I looked into using utilities like 7-zip, but it doesn't seem to work on a Mac.

Apparently one of the .xml files in the layer package should contain a link to the actual data under the packagelocation tag, but I wasn't able to find that tag in the .xml files.

Does anyone know if that tag name might have switched?

I downloaded the layer package file from here.

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    Try renaming the .lpk to .zip and extract it. Is there a FileGDB in there? If there is and it's >=10.0 then you may be able to open it in QGIS or use gdal (ogr2ogr) to convert it into a shapefile. I remember doing something similar with a map package. – SaultDon Jun 24 '13 at 20:00
  • gis.stackexchange.com/questions/24662/… - Looks like data is stored as an .sdc which is a compressed format proprietary to ESRI. ArcCatalog may be able to convert to shp. – SaultDon Jun 24 '13 at 20:21
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    yay for closed formats! – Nathan W Jun 25 '13 at 5:09
  • There's no GDB file in the zip, and that ArcCatalog tool is unfortunately proprietary. Would the file formats be more compatible to a conversion if I download/ use Windows Virtual Machine? – Alex Jun 25 '13 at 15:12
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    Hi all- thanks for your help! The Census Bureau's ZTCA files cover tabulated areas, rather than encompassing all USPS zip code routes, so in dense areas like NYC, I was missing a good handful of zips. On the bright side, we came to a solution! By downloading Windows Virtual Machine, I was able to open and convert the .SDC file using lib.ncsu.edu/gis/formats.html . Turns out you just need to say your on campus to gain access. Thanks for your help everyone! – Alex Jul 1 '13 at 13:14
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From the Comments it appears that the asker solved this by unzipping the *.lpk to find a *.sdc file that was then converted to shapefile format using instructions from NCSU Libraries' Geospatial Data Formats page:

With ESRI Data and Maps 2006, a standalone "Data Distribution Application" was included that converts SDC data files directly to shapefiles. This application may be downloaded from the Geodata Server at http://gisdata.lib.ncsu.edu/esri2006/data_maps/DDA/ [needs credentials] or off-campus from here [needs authentication]. A help file is also included at this download location.

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  • This is a very tricky solution. The one with 7zip or WinRar is much more easier… – Anatolii Mar 10 at 10:05
  • @Anatolii The other answers show no awareness that this particular *.lpk includes SDC data. No matter what you use to unzip an LPK with SDC in it, you'll then need to deal with the SDC data which is a non-trivial exercise. – PolyGeo Mar 10 at 10:38
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You just need 7zip. The archives that Esri uses are basically zip files but winzip and windows default zipping does not work. Use 7zip to unzip a layer package LPK,OR Mobile map package or VTPK or TPKX

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  • Works well with WinRar too – Anatolii Mar 10 at 10:06
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If you're looking for zip code boundaries in other formats, you should turn to the US Census Bureau:

Go to: http://www.census.gov/cgi-bin/geo/shapefiles2013/main and choose "zip code tabulation area"

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  • ZCTAs are not zip codes, which are used the USPS. ZCTAs are a Census Bureau invention roughly based on zipcodes but tailored to their needs. I've seen some estimates put the correlation to be only ~80% – winwaed Sep 17 '19 at 3:12
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Right click and extract the .lpk file using unzipping software. With a certain lpk file I then searched around and found a folder in the extraction that contained shapefiles.

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Disclaimer I work here.

You can get US Zipcode Boundaries via this API: https://www.mashape.com/vanitysoft/boundaries-io

The API shows US Boundaries(GeoJson) by zipcode,city, and state. you should use the API programatically to handle large results.

enter image description here

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