Steam verify ArenaNet code

[Ｓｔａｒｄｕｓｔ]

I got a text yesterday from the same number just called verify with the only other text i had from them being a steam Authenticator code the new text said:

"your ArenaNet code is:" and a code

what is this cause i didn't ask for a ArenaNet code

[cSg|mc-Hotsauce]

I don't know what ArenaNet is.

Edit: Is this a Guild Wars thing?

[Ｓｔａｒｄｕｓｔ]

neither but it came from the same number that send a steam authenticator code when i set the app up :/

[cSg|mc-Hotsauce]

I see a lot of Guild Wars questions when I Google that. I know it isn't a Steam thing.

[Ｓｔａｒｄｕｓｔ]

yeah most of them replies say to change my account password i guess ill just have to do that for now weird