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Getting a phone number
Inside any sub-account, you go to the Phone Numbers settings and search for an available number in your area code. GoHighLevel shows a list of available numbers with a monthly rental cost (usually around $1.15 to $2.25 per month per number).
Once you have a number, it is immediately active. Calls to it ring inside GoHighLevel and SMS messages arrive in the unified inbox.
Usage costs
Beyond the monthly number rental, you pay per use. In the US and Canada, outbound SMS typically costs around $0.0079 per message segment. Inbound SMS is usually cheaper. Outbound calls cost around $0.021 per minute. Inbound calls are less. These rates update from time to time.
Costs add up when you have hundreds of contacts in active campaigns. GoHighLevel provides a billing estimate inside the account and shows real usage in the billing section.
LC Phone vs Twilio
Before LC Phone, most GoHighLevel users connected their own Twilio account. This gave more control but required separate Twilio billing and management.
LC Phone simplifies billing by putting everything in one GoHighLevel bill. For many businesses with moderate SMS volume, LC Phone is the better starting point. Heavy senders who need very specific Twilio features can still connect a direct Twilio account.