www.jcsm.com. Home of JCS Zip Code / Area Code Lookups.


Our Technologies

www.jcsm.com started out to be our test bed for the JCSZip Database. It has grown in our 7.5 years of operation to being a major source of proximity calculations for an ever growing customer base of folks who drop in and do queries, all without cost to them. From our modest beginning, we have displayed our main page 3.44 million times, and have displayed 18.28 million pages in all. It is not unusual to serve 2000 visitors in a day, and to serve over 10,000 pages.

From its modest beginning, JCSZip has grown both in size and content, based on Customer need. JCSZip contains information on about 42,000 zip codes, 84,000 City Names tied to the zip codes, 3200 Counties, 240 unique area codes, and 47,000 area code change transactions extending back to 1995.

As with all our Database Offerings, JCSZip is available as a 12 month subscription, with monthly updates.

JCSPhone is a directory where area code / exchange combinations are switched in "central offices". There currently are over 140,000 records for the 50 states, DC, and Canada. JCSPhone is available on an annual subscription basis with a major new release each quarter, and maintenance releases the other months.

JCSExcel is a product requiring Microsoft Excel, and is designed to run on the desktop. It is completely self contained and has 30+ preprogrammed functions. JCSZip and JCSPhone are the basis for the data files supplied with JCSExcel.

JCSCan is our newest product and will be released first quarter 2006. It will have something short of 800,000 Canadian Postal Codes. It will be available on a subscription basis with major releases each three months, and maintenance releases (if necessary) each month.

JCSAll blends selected data from our three database products (JCSZip, JCSPhone, and JCSCan) into a single database. We expect this to be our most demanded product in the near future.

It is very difficult to define future expectations. Microsoft, with its Web Services, and all of the capabilities of ".net" and future Server technologies already offers capabilities for us to take our products far beyond our current modest offerings. Web Services alone may provide our growth attractively to future users because the data is prepared dynamically in real time and only what is needed is paid for. It may be possible to offer "dashboards" on desktops, and companies to purchase logins and extraction passwords to allow company-wide access to JCS data and functions while only paying for actual use.

The next years will be exciting and JCS will be in the forefront with customer offering and capability.


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We have a growing list of available products and options relating to the data displayed by these pages and the logic supporting the calculations. To see what is available, Click here.

We apologize for any inaccuracies.

Click to send us Email, or phone us at 952-469-5898 or toll-free 1-866-jcsm-com..

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