diff --git a/rattail_corepos/batch/coremember.py b/rattail_corepos/batch/coremember.py
index 7dacf86..7ee9605 100644
--- a/rattail_corepos/batch/coremember.py
+++ b/rattail_corepos/batch/coremember.py
@@ -106,7 +106,9 @@ class CoreMemberBatchHandler(BatchHandler):
 
         def append(csvrow, i):
             row = self.make_row()
-            row.card_number = int(csvrow['external_id'])
+            row.card_number_raw = csvrow['external_id']
+            if csvrow['external_id'].isdigit():
+                row.card_number = int(csvrow['external_id'])
             row.first_name = csvrow['first_name']
             row.last_name = csvrow['last_name']
             row.street = csvrow['primary_address1']
diff --git a/rattail_corepos/db/alembic/versions/d6a0f21a6a94_add_card_number_raw_for_member_import.py b/rattail_corepos/db/alembic/versions/d6a0f21a6a94_add_card_number_raw_for_member_import.py
new file mode 100644
index 0000000..c297345
--- /dev/null
+++ b/rattail_corepos/db/alembic/versions/d6a0f21a6a94_add_card_number_raw_for_member_import.py
@@ -0,0 +1,33 @@
+# -*- coding: utf-8; -*-
+"""add card_number_raw for member import
+
+Revision ID: d6a0f21a6a94
+Revises: 50961b4b854a
+Create Date: 2022-03-15 11:24:41.764317
+
+"""
+
+from __future__ import unicode_literals
+
+# revision identifiers, used by Alembic.
+revision = 'd6a0f21a6a94'
+down_revision = '50961b4b854a'
+branch_labels = None
+depends_on = None
+
+from alembic import op
+import sqlalchemy as sa
+import rattail.db.types
+
+
+
+def upgrade():
+
+    # batch_corepos_member_row
+    op.add_column('batch_corepos_member_row', sa.Column('card_number_raw', sa.String(length=20), nullable=True))
+
+
+def downgrade():
+
+    # batch_corepos_member_row
+    op.drop_column('batch_corepos_member_row', 'card_number_raw')
diff --git a/rattail_corepos/db/model/batch/coremember.py b/rattail_corepos/db/model/batch/coremember.py
index 8884a7d..c55a3f6 100644
--- a/rattail_corepos/db/model/batch/coremember.py
+++ b/rattail_corepos/db/model/batch/coremember.py
@@ -70,6 +70,7 @@ class CoreMemberBatchRow(model.BatchRowMixin, model.Base):
         STATUS_FIELDS_CHANGED           : "update member",
     }
 
+    card_number_raw = sa.Column(sa.String(length=20), nullable=True)
     card_number = sa.Column(sa.Integer(), nullable=True)
 
     first_name = sa.Column(sa.String(length=30), nullable=True)