The United States specific postal code system.

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30 views

Geocoding - looking to identify county from list of zipcodes

Using QGIS, how do I find county of an associated zipcode? I have zipcode for each point, however, I do not have a street address. I am hoping to aggregate my data to the county level using the ...
0
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0answers
30 views

Complexity of US 5-Digit Zip Code Boundaries from Scratch?

Does anyone have any idea how difficult it would be to create 5-digit zip code boundaries from scratch? Let's suppose you start with a good outline of the US. Where would you source the fundamental ...
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2answers
40 views

Is there a publicly available dataset that I can use that links 9 digit zipcodes with counties and states?

I have a dataset which has 9 digit zipcodes and I am trying to match these to the state and county FIPS codes. Is there a publicly available dataset that will allow me to do this?
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0answers
27 views

Removing commas from ArcGIS Online legend?

Right now I am working on a map using zip codes and have gotten the thousands comma out of the attribute table, but that is not changing the way it is showing up in the legend. Does anyone out there ...
3
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1answer
32 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 ...
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1answer
56 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 ...
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1answer
37 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 ...
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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 / ...
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0answers
39 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 ...
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3answers
108 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 ...
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2answers
111 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 ...
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1answer
55 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 ...
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1answer
52 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
158 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?
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1answer
87 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 ...
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0answers
9 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
66 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
218 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.
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1answer
41 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
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0answers
105 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
253 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
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1answer
738 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
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3answers
322 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
67 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 ...
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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 ...
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2answers
119 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 ...
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0answers
68 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, ...
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0answers
19 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 ...
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2answers
761 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 ...
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2answers
78 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
710 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?
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1answer
222 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
332 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 ...
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2answers
237 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 ...
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0answers
57 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
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1answer
413 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
531 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
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1answer
86 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
876 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 ...
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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!
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2answers
378 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 ...
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vote
1answer
56 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
257 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
173 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
3answers
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
299 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
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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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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 ...