diff --git a/app/jobs/account/contacts_export_job.rb b/app/jobs/account/contacts_export_job.rb
index 52b3412e0..699fc2128 100644
--- a/app/jobs/account/contacts_export_job.rb
+++ b/app/jobs/account/contacts_export_job.rb
@@ -32,6 +32,7 @@ class Account::ContactsExportJob < ApplicationJob
 
   def value_for_header(contact, header)
     return contact_labels_by_id.fetch(contact.id, []).join(LABELS_DELIMITER) if header == LABELS_COLUMN
+    return contact.canonical_country_code if header == 'country_code'
 
     contact.send(header)
   end
diff --git a/app/models/concerns/contact_country_helpers.rb b/app/models/concerns/contact_country_helpers.rb
new file mode 100644
index 000000000..329ceff6f
--- /dev/null
+++ b/app/models/concerns/contact_country_helpers.rb
@@ -0,0 +1,26 @@
+module ContactCountryHelpers
+  extend ActiveSupport::Concern
+
+  def canonical_country_code
+    attributes = additional_attributes || {}
+
+    CountryCodeNormalizer.normalize(self[:country_code]) ||
+      CountryCodeNormalizer.normalize(attributes['country_code']) ||
+      CountryCodeNormalizer.normalize(attributes['country'])
+  end
+
+  def canonical_country_name
+    CountryCodeNormalizer.name_for(canonical_country_code)
+  end
+
+  def additional_attributes_with_canonical_country
+    attributes = additional_attributes.deep_dup || {}
+    code = canonical_country_code
+    return attributes if code.blank?
+
+    attributes.merge(
+      'country_code' => code,
+      'country' => canonical_country_name || attributes['country']
+    )
+  end
+end
diff --git a/app/models/contact.rb b/app/models/contact.rb
index 3badf478d..7c73ed5a2 100644
--- a/app/models/contact.rb
+++ b/app/models/contact.rb
@@ -44,6 +44,7 @@
 class Contact < ApplicationRecord
   include Avatarable
   include AvailabilityStatusable
+  include ContactCountryHelpers
   include Labelable
   include LlmFormattable
 
diff --git a/app/services/country_code_normalizer.rb b/app/services/country_code_normalizer.rb
new file mode 100644
index 000000000..7e162c07a
--- /dev/null
+++ b/app/services/country_code_normalizer.rb
@@ -0,0 +1,42 @@
+require 'tzinfo'
+
+class CountryCodeNormalizer
+  COUNTRY_ALIASES = {
+    'united states of america' => 'US',
+    'usa' => 'US',
+    'uk' => 'GB',
+    'united kingdom' => 'GB'
+  }.freeze
+
+  class << self
+    def normalize(value)
+      return if value.blank?
+
+      value = value.to_s.strip
+      code = value.upcase
+      return code if country_by_code.key?(code)
+
+      country_by_name[normalized_name(value)] || COUNTRY_ALIASES[normalized_name(value)]
+    end
+
+    def name_for(code)
+      country_by_code[normalize(code)]&.name
+    end
+
+    private
+
+    def country_by_code
+      @country_by_code ||= TZInfo::Country.all_codes.index_with { |code| TZInfo::Country.get(code) }
+    end
+
+    def country_by_name
+      @country_by_name ||= country_by_code.each_with_object({}) do |(code, country), result|
+        result[normalized_name(country.name)] = code
+      end
+    end
+
+    def normalized_name(value)
+      value.to_s.strip.downcase
+    end
+  end
+end
diff --git a/app/services/llm_formatter/contact_llm_formatter.rb b/app/services/llm_formatter/contact_llm_formatter.rb
index 586f8743b..d17899f25 100644
--- a/app/services/llm_formatter/contact_llm_formatter.rb
+++ b/app/services/llm_formatter/contact_llm_formatter.rb
@@ -26,7 +26,7 @@ class LlmFormatter::ContactLlmFormatter < LlmFormatter::DefaultLlmFormatter
     attributes << "Email: #{@record.email}"
     attributes << "Phone: #{@record.phone_number}"
     attributes << "Location: #{@record.location}"
-    attributes << "Country Code: #{@record.country_code}"
+    attributes << "Country Code: #{@record.canonical_country_code}"
     @record.account.custom_attribute_definitions.with_attribute_model('contact_attribute').each do |attribute|
       attributes << "#{attribute.attribute_display_name}: #{@record.custom_attributes[attribute.attribute_key]}"
     end
diff --git a/app/views/api/v1/accounts/search/_contact.json.jbuilder b/app/views/api/v1/accounts/search/_contact.json.jbuilder
index 0d9578725..ca7f5544f 100644
--- a/app/views/api/v1/accounts/search/_contact.json.jbuilder
+++ b/app/views/api/v1/accounts/search/_contact.json.jbuilder
@@ -3,5 +3,5 @@ json.id contact.id
 json.name contact.name
 json.phone_number contact.phone_number
 json.identifier contact.identifier
-json.additional_attributes contact.additional_attributes
+json.additional_attributes contact.additional_attributes_with_canonical_country
 json.last_activity_at contact.last_activity_at&.to_i
diff --git a/app/views/api/v1/models/_contact.json.jbuilder b/app/views/api/v1/models/_contact.json.jbuilder
index 4e998ddf1..18fddea33 100644
--- a/app/views/api/v1/models/_contact.json.jbuilder
+++ b/app/views/api/v1/models/_contact.json.jbuilder
@@ -1,4 +1,4 @@
-json.additional_attributes resource.additional_attributes
+json.additional_attributes resource.additional_attributes_with_canonical_country
 json.availability_status resource.availability_status
 json.email resource.email
 json.id resource.id
diff --git a/spec/controllers/api/v1/accounts/contacts_controller_spec.rb b/spec/controllers/api/v1/accounts/contacts_controller_spec.rb
index 2255a1215..6f663c8b3 100644
--- a/spec/controllers/api/v1/accounts/contacts_controller_spec.rb
+++ b/spec/controllers/api/v1/accounts/contacts_controller_spec.rb
@@ -54,6 +54,22 @@ RSpec.describe 'Contacts API', type: :request do
         expect(contact_inboxes_source_ids).to include(contact_inbox.source_id)
       end
 
+      it 'returns canonical country attributes for contact display' do
+        contact.update!(additional_attributes: { country: 'United States' })
+
+        get "/api/v1/accounts/#{account.id}/contacts",
+            headers: admin.create_new_auth_token,
+            as: :json
+
+        response_body = response.parsed_body
+        response_contact = response_body['payload'].find { |item| item['id'] == contact.id }
+
+        expect(response_contact['additional_attributes']).to include(
+          'country_code' => 'US',
+          'country' => 'United States'
+        )
+      end
+
       it 'returns all contacts without contact inboxes' do
         get "/api/v1/accounts/#{account.id}/contacts?include_contact_inboxes=false",
             headers: admin.create_new_auth_token,
diff --git a/spec/jobs/account/contacts_export_job_spec.rb b/spec/jobs/account/contacts_export_job_spec.rb
index 0714fb55b..784e55047 100644
--- a/spec/jobs/account/contacts_export_job_spec.rb
+++ b/spec/jobs/account/contacts_export_job_spec.rb
@@ -99,6 +99,19 @@ RSpec.describe Account::ContactsExportJob do
       expect(row['labels']).to eq('vip')
     end
 
+    it 'exports canonical country codes from legacy country data' do
+      legacy_country_contact = create(:contact, account: account, email: 'legacy-country@example.com',
+                                                additional_attributes: { country: 'United States' })
+
+      described_class.perform_now(account.id, user.id, %w[email country_code], {})
+
+      csv_content = account.contacts_export.download.force_encoding('UTF-8').delete_prefix("\xEF\xBB\xBF")
+      csv_data = CSV.parse(csv_content, headers: true)
+      row = csv_data.find { |record| record['email'] == legacy_country_contact.email }
+
+      expect(row['country_code']).to eq('US')
+    end
+
     it 'bulk loads labels while exporting contacts' do
       create(:label, account: account, title: 'vip')
       create(:label, account: account, title: 'support')
diff --git a/spec/models/contact_spec.rb b/spec/models/contact_spec.rb
index 159454eec..cdcb32165 100644
--- a/spec/models/contact_spec.rb
+++ b/spec/models/contact_spec.rb
@@ -93,6 +93,42 @@ RSpec.describe Contact do
     end
   end
 
+  describe '#canonical_country_code' do
+    it 'prefers the contact country_code column when it has a valid country code' do
+      contact = create(:contact, additional_attributes: { country_code: 'IN', country: 'India' })
+      contact[:country_code] = 'US'
+
+      expect(contact.canonical_country_code).to eq('US')
+      expect(contact.canonical_country_name).to eq('United States')
+    end
+
+    it 'falls back to additional_attributes country_code' do
+      contact = create(:contact, additional_attributes: { country_code: 'in' })
+
+      expect(contact.canonical_country_code).to eq('IN')
+      expect(contact.canonical_country_name).to eq('India')
+    end
+
+    it 'normalizes legacy country names from additional_attributes country' do
+      contact = create(:contact, additional_attributes: { country: 'United States' })
+
+      expect(contact.canonical_country_code).to eq('US')
+      expect(contact.canonical_country_name).to eq('United States')
+    end
+  end
+
+  describe '#additional_attributes_with_canonical_country' do
+    it 'returns additional attributes with normalized country values without persisting them' do
+      contact = create(:contact, additional_attributes: { country: 'United States' })
+
+      expect(contact.additional_attributes_with_canonical_country).to include(
+        'country_code' => 'US',
+        'country' => 'United States'
+      )
+      expect(contact.reload.additional_attributes).not_to include('country_code')
+    end
+  end
+
   context 'when a contact is created' do
     it 'has contact type "visitor" by default' do
       contact = create(:contact)
diff --git a/spec/services/llm_formatter/contact_llm_formatter_spec.rb b/spec/services/llm_formatter/contact_llm_formatter_spec.rb
index bf3345b98..d4775b8bc 100644
--- a/spec/services/llm_formatter/contact_llm_formatter_spec.rb
+++ b/spec/services/llm_formatter/contact_llm_formatter_spec.rb
@@ -48,6 +48,16 @@ RSpec.describe LlmFormatter::ContactLlmFormatter do
       end
     end
 
+    context 'when contact has legacy country data' do
+      before do
+        contact.update!(additional_attributes: { country: 'United States' })
+      end
+
+      it 'uses the canonical country code' do
+        expect(formatter.format).to include('Country Code: US')
+      end
+    end
+
     context 'when contact has custom attributes' do
       let!(:custom_attribute) do
         create(:custom_attribute_definition, account: account, attribute_model: 'contact_attribute', attribute_display_name: 'Company')