Open the Phone app
Tap Recents
Check missed calls from blocked numbers
Open the Messages app
Search for the contact or number
Check the conversation thread if it exists
Open the Phone app
Tap Contacts
Select the blocked contact
Tap Blocked Contact Info if available
Open Settings
Tap Phone
Tap Blocked Contacts
Review the blocked list
Open Settings
Tap Messages
Tap Blocked Contacts
Review blocked senders
Open Settings
Tap FaceTime
Tap Blocked Contacts
Review blocked callers
Check voicemail for blocked calls
Ask your carrier for spam or blocked message logs
Unblock the contact to receive future messages
Use a third-party message filtering app if installed