diff --git a/app/forms/idv/phone_confirmation_otp_verification_form.rb b/app/forms/idv/phone_confirmation_otp_verification_form.rb
index fbcbdd0b427..026ae7b2344 100644
--- a/app/forms/idv/phone_confirmation_otp_verification_form.rb
+++ b/app/forms/idv/phone_confirmation_otp_verification_form.rb
@@ -48,7 +48,7 @@ def extra_analytics_attributes
       {
         code_expired: user_phone_confirmation_session.expired?,
         code_matches: user_phone_confirmation_session.matches_code?(code),
-        delivery_method: user_phone_confirmation_session.delivery_method,
+        otp_delivery_preference: user_phone_confirmation_session.delivery_method,
         second_factor_attempts_count: user.second_factor_attempts_count,
         second_factor_locked_at: user.second_factor_locked_at,
       }
diff --git a/app/services/analytics_events.rb b/app/services/analytics_events.rb
index 3d239feb5ca..8e98b531e89 100644
--- a/app/services/analytics_events.rb
+++ b/app/services/analytics_events.rb
@@ -2930,7 +2930,7 @@ def idv_phone_confirmation_otp_sent(
   # @param [Hash] errors
   # @param [Boolean] code_expired if the one-time code expired
   # @param [Boolean] code_matches
-  # @param [:sms,:voice] delivery_method
+  # @param [:sms,:voice] otp_delivery_preference
   # @param [Integer] second_factor_attempts_count number of attempts to confirm this phone
   # @param [Time, nil] second_factor_locked_at timestamp when the phone was locked out
   # @param [Idv::ProofingComponentsLogging] proofing_components User's current proofing components
@@ -2942,7 +2942,7 @@ def idv_phone_confirmation_otp_submitted(
     errors:,
     code_expired:,
     code_matches:,
-    delivery_method:,
+    otp_delivery_preference:,
     second_factor_attempts_count:,
     second_factor_locked_at:,
     proofing_components: nil,
@@ -2956,7 +2956,7 @@ def idv_phone_confirmation_otp_submitted(
       errors: errors,
       code_expired: code_expired,
       code_matches: code_matches,
-      delivery_method: delivery_method,
+      otp_delivery_preference: otp_delivery_preference,
       second_factor_attempts_count: second_factor_attempts_count,
       second_factor_locked_at: second_factor_locked_at,
       proofing_components: proofing_components,
diff --git a/spec/controllers/idv/otp_verification_controller_spec.rb b/spec/controllers/idv/otp_verification_controller_spec.rb
index 2c63bf95561..9b64b16526b 100644
--- a/spec/controllers/idv/otp_verification_controller_spec.rb
+++ b/spec/controllers/idv/otp_verification_controller_spec.rb
@@ -175,7 +175,7 @@
         errors: {},
         code_expired: false,
         code_matches: true,
-        delivery_method: :sms,
+        otp_delivery_preference: :sms,
         second_factor_attempts_count: 0,
         second_factor_locked_at: nil,
         **ab_test_args,
diff --git a/spec/features/idv/analytics_spec.rb b/spec/features/idv/analytics_spec.rb
index add47ef4f30..be6232ac291 100644
--- a/spec/features/idv/analytics_spec.rb
+++ b/spec/features/idv/analytics_spec.rb
@@ -124,7 +124,7 @@
         proofing_components: { document_check: 'mock', document_type: 'state_id', source_check: 'aamva', resolution_check: 'lexis_nexis', threatmetrix: threatmetrix, threatmetrix_review_status: 'pass', address_check: 'lexis_nexis_address' }
       },
       'IdV: phone confirmation otp submitted' => {
-        success: true, code_expired: false, code_matches: true, delivery_method: :sms, second_factor_attempts_count: 0, second_factor_locked_at: nil, errors: {}, acuant_sdk_upgrade_ab_test_bucket: :default, lexisnexis_instant_verify_workflow_ab_test_bucket: :default, skip_hybrid_handoff: nil,
+        success: true, code_expired: false, code_matches: true, otp_delivery_preference: :sms, second_factor_attempts_count: 0, second_factor_locked_at: nil, errors: {}, acuant_sdk_upgrade_ab_test_bucket: :default, lexisnexis_instant_verify_workflow_ab_test_bucket: :default, skip_hybrid_handoff: nil,
         active_profile_idv_level: nil, pending_profile_idv_level: nil,
         proofing_components: { document_check: 'mock', document_type: 'state_id', source_check: 'aamva', resolution_check: 'lexis_nexis', threatmetrix: threatmetrix, threatmetrix_review_status: 'pass', address_check: 'lexis_nexis_address' }
       },
@@ -250,7 +250,7 @@
         proofing_components: { document_check: 'mock', document_type: 'state_id', source_check: 'aamva', resolution_check: 'lexis_nexis', threatmetrix: threatmetrix, threatmetrix_review_status: 'pass', address_check: 'lexis_nexis_address' }
       },
       'IdV: phone confirmation otp submitted' => {
-        success: true, code_expired: false, code_matches: true, delivery_method: :sms, second_factor_attempts_count: 0, second_factor_locked_at: nil, errors: {}, acuant_sdk_upgrade_ab_test_bucket: :default, lexisnexis_instant_verify_workflow_ab_test_bucket: :default, skip_hybrid_handoff: nil,
+        success: true, code_expired: false, code_matches: true, otp_delivery_preference: :sms, second_factor_attempts_count: 0, second_factor_locked_at: nil, errors: {}, acuant_sdk_upgrade_ab_test_bucket: :default, lexisnexis_instant_verify_workflow_ab_test_bucket: :default, skip_hybrid_handoff: nil,
         active_profile_idv_level: nil, pending_profile_idv_level: nil,
         proofing_components: { document_check: 'mock', document_type: 'state_id', source_check: 'aamva', resolution_check: 'lexis_nexis', threatmetrix: threatmetrix, threatmetrix_review_status: 'pass', address_check: 'lexis_nexis_address' }
       },
@@ -486,7 +486,7 @@
         proofing_components: { address_check: 'lexis_nexis_address', document_check: 'usps', resolution_check: 'lexis_nexis', threatmetrix: threatmetrix, threatmetrix_review_status: 'pass', source_check: 'aamva' }
       },
       'IdV: phone confirmation otp submitted' => {
-        success: true, code_expired: false, code_matches: true, delivery_method: :sms, second_factor_attempts_count: 0, second_factor_locked_at: nil, errors: {}, acuant_sdk_upgrade_ab_test_bucket: :default, lexisnexis_instant_verify_workflow_ab_test_bucket: :default, skip_hybrid_handoff: nil,
+        success: true, code_expired: false, code_matches: true, otp_delivery_preference: :sms, second_factor_attempts_count: 0, second_factor_locked_at: nil, errors: {}, acuant_sdk_upgrade_ab_test_bucket: :default, lexisnexis_instant_verify_workflow_ab_test_bucket: :default, skip_hybrid_handoff: nil,
         active_profile_idv_level: nil, pending_profile_idv_level: nil,
         proofing_components: { document_check: 'usps', source_check: 'aamva', resolution_check: 'lexis_nexis', threatmetrix: threatmetrix, threatmetrix_review_status: 'pass', address_check: 'lexis_nexis_address' }
       },
@@ -624,7 +624,7 @@
         proofing_components: { document_check: 'mock', document_type: 'state_id', source_check: 'aamva', resolution_check: 'lexis_nexis', threatmetrix: threatmetrix, threatmetrix_review_status: 'pass', address_check: 'lexis_nexis_address' }
       },
       'IdV: phone confirmation otp submitted' => {
-        success: true, acuant_sdk_upgrade_ab_test_bucket: :default, lexisnexis_instant_verify_workflow_ab_test_bucket: :default, skip_hybrid_handoff: anything, code_expired: false, code_matches: true, delivery_method: :sms, second_factor_attempts_count: 0, second_factor_locked_at: nil, errors: {},
+        success: true, acuant_sdk_upgrade_ab_test_bucket: :default, lexisnexis_instant_verify_workflow_ab_test_bucket: :default, skip_hybrid_handoff: anything, code_expired: false, code_matches: true, otp_delivery_preference: :sms, second_factor_attempts_count: 0, second_factor_locked_at: nil, errors: {},
         active_profile_idv_level: nil, pending_profile_idv_level: nil,
         proofing_components: { document_check: 'mock', document_type: 'state_id', source_check: 'aamva', resolution_check: 'lexis_nexis', threatmetrix: threatmetrix, threatmetrix_review_status: 'pass', address_check: 'lexis_nexis_address' }
       },
diff --git a/spec/support/fake_analytics_spec.rb b/spec/support/fake_analytics_spec.rb
index 3c3cc579777..381aa6fa95f 100644
--- a/spec/support/fake_analytics_spec.rb
+++ b/spec/support/fake_analytics_spec.rb
@@ -13,7 +13,7 @@
           to raise_error(RSpec::Expectations::ExpectationNotMetError) do |err|
           assert_error_messages_equal(err, <<~MESSAGE)
             Expected that FakeAnalytics would have received event nil
-  
+
             Events received:
             {}
           MESSAGE
@@ -87,7 +87,7 @@
             to raise_error(RSpec::Expectations::ExpectationNotMetError) do |err|
               assert_error_messages_equal(err, <<~MESSAGE)
                 Expected that FakeAnalytics would have received event :my_event once but it was received 0 times
-  
+
                 Events received:
                 {}
               MESSAGE
@@ -169,7 +169,7 @@
               Diff:
               @@ -1 +1 @@
               -:arg1 => 42,
-              +:arg1 => 43,              
+              +:arg1 => 43,
             MESSAGE
           end
       end
@@ -560,7 +560,7 @@
           errors: true,
           code_expired: true,
           code_matches: true,
-          delivery_method: :sms,
+          otp_delivery_preference: :sms,
           second_factor_attempts_count: true,
           second_factor_locked_at: true,
           proofing_components: true,
@@ -576,7 +576,7 @@
         errors: true,
         code_expired: true,
         code_matches: true,
-        delivery_method: :sms,
+        otp_delivery_preference: :sms,
         second_factor_attempts_count: true,
         second_factor_locked_at: true,
         proofing_components: true,
@@ -595,7 +595,7 @@
         errors: true,
         code_expired: true,
         code_matches: true,
-        delivery_method: :sms,
+        otp_delivery_preference: :sms,
         second_factor_attempts_count: true,
         second_factor_locked_at: true,
         proofing_components: true,