The URL for USPS is not correct any longer. Here is the new address - https://www.usps.com/business/web-tools-apis/welcome.htm
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- {ts 1=https://www.usps.com/business/web-tools-apis/address-information.htm}CiviCRM includes an optional plugin for interfacing with the United States Postal Services (USPS) Address Standardization web service. You must register to use the USPS service at <a href='%1' target='_blank'>%1</a>. If you are approved, they will provide you with a User ID and the URL for the service.{/ts}
+ {ts 1=https://www.usps.com/business/web-tools-apis/welcome.htm}CiviCRM includes an optional plugin for interfacing with the United States Postal Services (USPS) Address Standardization web service. You must register to use the USPS service at <a href='%1' target='_blank'>%1</a>. If you are approved, they will provide you with a User ID and the URL for the service.{/ts}
{ts}Plugins for other address standardization services may be available from 3rd party developers. If installed, they will be included in the drop-down below.{/ts}
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