Free phone tools
Free, no-signup tools for anyone who runs a business on the phone — look up area codes, star codes, and USSD codes, generate a call-forwarding code or a voicemail greeting, and validate phone numbers.
Call forwarding code generator
Get the exact star or USSD code to forward your line — filled in for your carrier.
Open tool →Voicemail greeting generator
Write a professional voicemail greeting in seconds, tuned to your industry and tone.
Open tool →Phone star codes list
Look up what every North-American star code (*67, *69, *72…) actually does.
Open tool →USSD code list
Search the GSM USSD codes (*#06#, *#21#, ##002#…) and what each one means.
Open tool →Phone number validator
Check whether a phone number is valid and see its format, type, and region.
Open tool →Area code lookup
Find the city, state, and time zone for any US or Canadian area code.
Open tool →
Free because answering the phone shouldn't be hard
RingOwl is an AI answering service for appointment-heavy small businesses. We build these tools because the same questions come up over and over — what does this star code do, where is this area code from, how do I forward my line — and the answers shouldn't be locked behind a signup.
Every tool here is free, needs no account, and runs in your browser. If you end up wanting your phone answered for you — every call, day or night, booked straight into your calendar — that's what RingOwl does.
More than a tool?
Let an AI answer every call.
Forward your line to RingOwl and an AI receptionist picks up 24/7 — books appointments, captures leads, and texts you a summary after every call.
7-day trial · 30 minutes included · No credit card.