Prefix Dialer is described as 'Simple application that intercepts outgoing calls and adds an optional telephone prefix' and is an app. There are four alternatives to Prefix Dialer for Android. The best Prefix Dialer alternative is IntlPrefix, which is both free and Open Source. Other great apps like Prefix Dialer are Prefixer, Call Prefix and PaSS: Prefixer & SIM Selector.
IntlPrefix automatically adds dialing prefix to outgoing phone calls. This allows you to store all your phone numbers in international "+country-area-number" form, and IntlPrefix will automatically replace "+country" by the user-defined prefixes for domestic...
Configurable (rule based) multi-purpose app that will prefix, suffix and/or replace numbers in your calls.
Call Prefix is an Android app designed to simplify outgoing calls that require prefixes or caller ID toggling.
Android App for automatic prefix outgoing calls and/or automatic SIM selection based on rules (account, label/group, day, time).
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