The United States specific postal code system.

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3
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1answer
27 views

Concentric Ellipses around polygons as a representation of density

I have someone who has given me a thumbnail of a map with some concentric ellipsoids placed in estimated high density locations for our business. One location has three, and two other location have ...
0
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1answer
42 views

USPS Zip Code Zone Information

I'm trying to display USPS Shipping Zone information but the section of the USPS site I used to scrape this information from has been broken for months and I'm wondering if anyone knows another way to ...
1
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1answer
35 views

create a zip code value to points

I have a shapefile of points (samples collection locations) with their longitude and latitude and the number of samples collected in each location. My goal is to create a raster of the number of ...
0
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0answers
31 views

What's the most detailed level of location can I get only by knowing the ZIP code?

I am looking at APIs to get location information from ZIP codes. So far the most detailed level of location I could get was Country --> State --> City. Does ZIP code also map to neighborhood / ...
0
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0answers
32 views

Georeference by Zipcode failed for 7 of 133 zips

I am georeferencing/geocoding a 133 record table with CartoDB. 7 of the 133 failed to georeference, i.e. I got null in the geometry column. I checked for spaces, i's & l's instead of 1's, o's ...
0
votes
3answers
100 views

How do I create a shapefile of self-defined zones, using clusters of zip codes (ArcGIS)?

I have 6 zones in the United States that I defined by clustering all US zip codes. I now need a shapefile that depicts each of these zones in a different color. Here is an illustration of what I would ...
0
votes
0answers
55 views

Zipcode to Polygon/Boundry

Is there any API out there which can give me Polygon value for a zipcode? I really thought that it would be fairly easy for me given the number of Maps APIs out there. Either Google Maps API or ...
0
votes
1answer
39 views

How can I find company address with Company Name, zip codes and State of Existence?

I need to find the address of the companies located in a particular State with Company name and also zip codes. Example: Company Name: Integrated Care Management Within the following zip codes ...
1
vote
1answer
51 views

How to reduce area boundaries resolution?

I managed to plot zip codes boundaries for an entire US state using ArcGIS data and python tools such as arcpy and Bokeh. The result: The dataset has high resolution area boundaries so, I have like ...
2
votes
1answer
123 views

How to map places with zip codes that have leading zeros using CartoDB?

I have a large set of data that has several places on the East coast that have leading Zeros in the Zip. How do I map these when leading zeros are automatically removed?
0
votes
1answer
75 views

How to combine multiple zipcode polygons into one polygon

In CartoDB, we have a table of chapters that make up a national organization. Each chapter record has a polygon that defines the geographical area that the chapter covers. The area a chapter covers ...
0
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0answers
8 views

add points when joining two datasets together in ArcGIS

I am trying to join an excel file with a shapefile based on a zipcode. My problem is that I have multiple persons with the same zip code, but it joins only 1 of those persons. Is it possible to ...
3
votes
1answer
64 views

Postcode Shape Files for The USA

I'm using ODL Studio to draw US zip codes, and though I can download the free database and get it to load, I can't figure out how to draw boundaries. The tutorial provided on their site explains how ...
2
votes
1answer
171 views

Where can I get a topojson with 3 digit zip codes (zip3) shapes?

I have searched for days and I just can find 5 digit zip codes shapes. Thanks a lot, I'm really new to geo data stuff.
1
vote
1answer
40 views

Looking for a complete list of cities by state, with area code

Our company is working on moving our sales assignments from area codes to ZIP codes, and we need some kind of dataset to help move existing assignments to the new system. Does anyone here know where ...
2
votes
0answers
97 views

Merge vector layers to fill gaps in QGIS

I have a zip code map which I added per zip code data too (a regional director for each zipcode), and then dissolved the map based on the director attribute. As you may or may not know, zip codes are ...
2
votes
1answer
214 views

How to calculate which zip code is closer to which in USA using C#?

I'm not living in USA, and I'm doing a small project for a company based in USA. The point is that, there are businesses and each of them have their address and zip code. Then, I have a form where ...
0
votes
1answer
626 views

Zip code highlighted in google map

When we search for a zip code in Google Maps we get the area highlighted in the map with a dotted border. How is this calculated? How do they know how to draw the polygon? I'm looking at implementing ...
6
votes
3answers
309 views

Average frequency of zip code change for a given address over the course of year

This is a difficult question to answer with a high degree of accuracy, but could someone estimate to within an order of magnitude for me the chances of a zip code for a given address changing over the ...
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0answers
62 views

Categorized style hiding map

I am having an issue with the style properties of my map. I imported the US Zip Code Tabulation Area map from a government website, and in a separate excel file I have a list of people connected to ...
0
votes
0answers
30 views

Where can I find a list of (preferably free) valid USPS zipcodes? [duplicate]

I don't need any other infomation except for state and zipcodes. A lot of lists online (even those updated through 2013) contain invalid zipcodes when tested through USPS website. Any help is ...
2
votes
2answers
108 views

How do I select Census Block Groups inside a Zip code?

Long time listener, first time caller. I already have my data imported, problem is my SELECT statements aren't yielding the results I'm looking for. I specifically need all the Block Group ...
1
vote
0answers
63 views

Displaying multiple records in CartoDB with common zip code

I am uploading multiple records and want to use five digit zip code as the georeference. I would like to display each of those records on a map. Some of the records have identical zip code fields, ...
0
votes
0answers
18 views

How can I Georeference a column of multiple zip codes? [duplicate]

I'm looking for a way to easily visualize a collection of zip codes. I work for a chapter-based organization, and the chapter boundaries are based on zip codes. I'd love to use CartoDB to display the ...
1
vote
2answers
649 views

Zip Code-Level Choropleth Using Leaflet.JS

Brand new to Leaflet.js, but I'm enjoying learning it. However, I have a question I've been working on that even the Google hasn't been able to answer just yet. Is it possible to create a choropleth ...
0
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2answers
71 views

Zip Code Boundary Maps for Commercial Use?

I need images of cities with features, streets, zip code names and zip code boundaries. For example, take this screen shot: This is very close to what I need, except not every zip code name is ...
2
votes
2answers
655 views

Change points to polygon

I have a map which has one data point per zip code. I would like to change those points to zip code polygons. Any ideas on how to go about it?
0
votes
1answer
201 views

Get the different values assigned to a zip code

I have a map to which I added a zip code layer and another layer which contains values assigned to every square kilometer within each zip code. I'm trying to find out how many different values there ...
0
votes
1answer
292 views

How to upload a list of 5-digit zip codes to CartoDB?

I'm playing around with the free version of CartoDB right now. Trying to upload both a CSV and excel document with a list of 5-digit zip codes. I have received a "there was a problem georeferencing ...
0
votes
2answers
223 views

Address to Zip+4 ArcGIS Address Locator or batch service? Free?

I have 200,000 addresses in MD for which I need zip+4. I am searching for an address locator for ArcGIS or a (free?) batch service that will output 9-digit zip (Zip+4) from address. I have already ...
2
votes
0answers
54 views

Historical US zip code allocations and locations?

Is there a data source available that has the full history (right back to the 1960's) of each US zip code? By history I mean, for each zip code: the date it was created, if later than 1 July 1963, ...
8
votes
1answer
401 views

Automatically aggregate German ZIP codes by the first two digits in a shapefile

I have a shapefile which contains all German Zip-Codes in a a five-digit format (e.g. 80637). For what I intend to do, this is way to much detail. I would like to aggregate all Zip-Code areas by the ...
3
votes
2answers
487 views

How can I create a choropleth from the 2010 census ZCTA shapefile using R and ggplot2?

I have created state and county choropleths in R using ggplot2. The method I have used for this came from Winston Chang's "R Graphics Cookbook". For those choropleths the map was already represented ...
0
votes
1answer
80 views

What is the best way to apply the correct ZIP Code when Geocoding

I need to batch geocode a set of addresses, some of them are missing the zip code causing the lat/lng to be placed incorrectly, is there a good way easily correct this? I am using a few geocoders, ...
2
votes
2answers
739 views

Shapefiles for US city and Zip level

I already have the information for US states and Counties. I have the information in the Json files. I want the information for ALL US city and Zip Code information. Any leads appreciated. I cant ...
0
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0answers
35 views

Where to download US zipcode polygons? [duplicate]

I need US zipcode areas (polygons) for a web map implementation. Can you tell me where to find it (free or paid)? Thanks!
1
vote
2answers
353 views

Samples of US Residential or business addresses without zip+4?

I'm looking for a few deliverable residential or business addresses without a zip+4. By "residential or business", I mean, not a PO box and not military addresses. According to this answer on ...
1
vote
1answer
54 views

How to select route lines that fall outside ZIP boundaries

I have two tables. One of route lines, with associated Zip Codes, and another of Zip Code boundaries. Some of the lines cross over their Zip boundaries. Below is zoomed in picture demonstrating my ...
1
vote
1answer
248 views

Developing visualization on zip code level data

I'm trying to use the zip code data from the census (any year that works). I have 5-digit zip code data that I need to match up to a map/shape file. The problem is that the zip code tabulation files ...
2
votes
1answer
163 views

Zip + 4 Centroids

I have a data set with ZIP +4 codes, and ideally, I'd like to map them (their centroids) as points. I'm not interested in their boundaries (since they're not really geographies anyway). Does anyone ...
2
votes
1answer
114 views

Calculating point proximity in ArcMap 10.1

I have a geocoded point file which (theoretically) contains one point for every zip code in the U.S. I want to create a smaller list of zip codes from this file. The list should include only those zip ...
2
votes
2answers
3k views

How to open an ArcGIS Desktop .lpk file using QGIS on a Mac?

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, ...
2
votes
1answer
274 views

Executing GP Task for JavaScript API

I recently started using JavaScript API in attempt to construct a web app. After taking a recent ESRI online course, I thought I had some base knowledge on how to do this. This geoprocessing service ...
2
votes
0answers
132 views

From where can i download WKT files for US zip codes? [duplicate]

From where can i download WKT files for US zip codes ?? i need to plot zip code boundary on a map using open layers
1
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3answers
3k views

Which US zipcodes map to more than one state or more than one city?

I'm using a zip code listing, and I am curious to know how many (or which) zip codes map to more than one US state or US city? For instance I know that 42223 resolves to the same city which straddles ...
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vote
0answers
113 views

'File is too big' error when uploading QGIS Plugin

I have written a simple QGIS plugin which zooms the map canvas to a user specified UK postcode. I would like to share the plugin but the csv file, which contains stripped down OS Code-Point open data ...
2
votes
1answer
1k views

How do I map data by zip code?

I have a set of data that corresponds to zip code, and I'd like to turn that into a map. From what I've gathered thus far, zip code shapefiles are difficult to find and work with due to the fact that ...
2
votes
1answer
140 views

What are the geometric principles and GIS techniques that I can use to generate a postcode coverage of my city at street scales?

Postal codes of Brazil and another countries are oriented to distribution logistics, and improvement of reliability in writing the postal addresses; but without much concern for the spatial ...
2
votes
0answers
86 views

Need help in how to map ZIP codes data by year [closed]

I'd like to build a graphic showing where city employees live, based on their date of hire. I have a list showing the hire date and the ZIP code for each employee. There are about 4,000 employees. I ...
1
vote
1answer
967 views

Where can I get zip code shapefiles for years 2000 to 2010?

I've been searching the web for zip code shapefiles (or equivalents) for years 2000 to 2010, and have only managed to find the following: http://www.icpsr.umich.edu/TIGER/index.html which carries ...