Hello AmyBrown97,
Welcome to Apple Support Communities!
If we understand your post correctly, you've blocked someone on your iPhone but you're still receiving text messages from this person. We're happy to help!
Were you able to try the steps in the section titled Manage your blocked phone number, contacts, and emails that is in the article you came from?
To see the phone numbers, contacts, and email addresses that you've blocked from Phone, FaceTime, Messages, or Mail:
Go to Settings > Phone and tap Blocked Contacts to see the list.
Go to Settings > FaceTime. Under Calls, tap Blocked Contacts.
Go to Settings > Messages. Under SMS/MMS, tap Blocked Contacts.
Go to Settings > Mail. Under Threading, tap Blocked.
From these screens, you can add or remove blocked phone numbers, contacts, or email addresses.
To add a contact from Phone, go to Settings > Phone > Blocked Contacts scroll to the bottom of the screen, then tap Add New. Then tap the contact that you want to block. To add a contact from Messages or FaceTime, go to Settings > Messages or Settings > FaceTime, tap Blocked Contacts. Then scroll down, tap Add New, then select the contact that you want to block. To add a contact from Mail, go to Settings > Mail, then tap Blocked. Scroll down, tap Add New, then enter the contact you want to block. To unblock a phone number, contact, or email address, swipe left over the entry, then tap Unblock."
Block phone numbers, contacts, and emails on your iPhone, iPad, or iPod touch
Are you receiving text messages from the same phone number or email address of this person that you've blocked?
Let us know if you have any questions.
Thank you for using Apple Support Communities.
Take care!