An Important Note Regarding Area Codes Within Our ZIP Code Databases

Our databases contain only a single area code for each ZIP Code. Our databases do not list every area code that might exist in a single ZIP Code. If multiple area codes exist within one ZIP Code, then only the predominant area code is included in our database. Overlay area codes are not included.

More useful ZIP Code links:

ZIP Code database files for importing into Microsoft Access, Excel, Paradox, Oracle, etc. -

The ZIP Code Companion software for MS Windows.  A convenient tool for looking up ZIP Codes -

ZIP Code Distance Wizard performs ZIP Code distance calculations quickly and easily -

USPS ZIP + 4 lookup -

USPS ZIP Code, USA Postal Codes, ZIPCode, Mister ZIP, city names, alternate

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