How to Check If an ESN Number Is Clean?

Answer When you buy a phone from a private party, making sure that the ESN is "clean" is extremely important. Having a bad ESN will prevent the carrier from allowing the device's activation on their netwo... Read More »

Top Q&A For: How to Check If an ESN Number Is Clean

How to Calculate the Check Digit of a Routing Number from an Illegible Check?

This article would benefit from illustrations. You can help wikiHow by adding illustrations to this article. Click here for instructions. Notice added on 2012-02-01.Do you have a torn or battered c... Read More »

How to Check a Bank Account Number for a Routing Number?

Banking accounts, whether savings or checking, have a designated account number. This number is unique to specific banks and is often accompanied by a transaction or check number as well as a routi... Read More »

How to Check My ABN Number?

The Australian government issues several types of business identification numbers for use when filing government documents. Businesses register an Australian Business Number (ABN) with the Australi... Read More »

How do I check a VAT number?

Find the Value Added Tax (VAT) number validation page on the website of the Taxation and Customs Union (see Resources).Select the member state of origin for the company whose VAT number you are ve... Read More »