Honestly, the phone number thing is "neutral" - neither positive nor negative.
"She" (assuming the poster is legit and not a scam) is using a texting app. How many of us use a texting app with an area code for another state?
The name & tattoos all match a provider out of Ottawa, Canada using the same photos:
https://ladys.one/canada-ottawa/harmony-4-i621701
That web site has a link to an agency on Ottawa, Canada with the same pictures, and a woman with matching tattoos:
https://paradisespaandtanning.ca/Ladies/harmony/
And finally, a twitter account:
https://twitter.com/HarmonyURAngel
I would be more concerned that someone has stolen the Canadian lady's pictures.