diff --git a/rpc/jsonrpc/debug_api.go b/rpc/jsonrpc/debug_api.go
index e4527edb291..c9df7e41e8c 100644
--- a/rpc/jsonrpc/debug_api.go
+++ b/rpc/jsonrpc/debug_api.go
@@ -319,8 +319,10 @@ func (api *DebugAPIImpl) GetModifiedAccountsByNumber(ctx context.Context, startN
 		return nil, err
 	}
 
-	// forces negative numbers to fail (too large) but allows zero
-	startNum := uint64(startNumber.Int64())
+	startNum, _, _, err := rpchelper.GetBlockNumber(ctx, rpc.BlockNumberOrHashWithNumber(startNumber), tx, api._blockReader, api.filters)
+	if err != nil {
+		return nil, err
+	}
 	if startNum > latestBlock {
 		return nil, fmt.Errorf("start block (%d) is later than the latest block (%d)", startNum, latestBlock)
 	}
@@ -342,7 +344,10 @@ func (api *DebugAPIImpl) GetModifiedAccountsByNumber(ctx context.Context, startN
 	}
 
 	// Two params: Geth compares state at startNum vs endNum → blocks (startNum, endNum].
-	endNum := uint64(endNumber.Int64()) // forces negative numbers to fail (too large)
+	endNum, _, _, err := rpchelper.GetBlockNumber(ctx, rpc.BlockNumberOrHashWithNumber(*endNumber), tx, api._blockReader, api.filters)
+	if err != nil {
+		return nil, err
+	}
 	if endNum > latestBlock {
 		return nil, fmt.Errorf("end block (%d) is later than the latest block (%d)", endNum, latestBlock)
 	}
diff --git a/rpc/jsonrpc/debug_api_test.go b/rpc/jsonrpc/debug_api_test.go
index 35ec24c5be4..45b1ccbe5ba 100644
--- a/rpc/jsonrpc/debug_api_test.go
+++ b/rpc/jsonrpc/debug_api_test.go
@@ -50,6 +50,7 @@ import (
 	chainspec "github.com/erigontech/erigon/execution/chain/spec"
 	"github.com/erigontech/erigon/execution/execmodule"
 	"github.com/erigontech/erigon/execution/execmodule/execmoduletester"
+	"github.com/erigontech/erigon/execution/rlp"
 	"github.com/erigontech/erigon/execution/stagedsync/stages"
 	"github.com/erigontech/erigon/execution/state"
 	"github.com/erigontech/erigon/execution/tests/blockgen"
@@ -58,6 +59,7 @@ import (
 	"github.com/erigontech/erigon/execution/types/accounts"
 	"github.com/erigontech/erigon/node/direct"
 	"github.com/erigontech/erigon/node/gointerfaces/remoteproto"
+	"github.com/erigontech/erigon/node/gointerfaces/txpoolproto"
 	"github.com/erigontech/erigon/node/privateapi"
 	"github.com/erigontech/erigon/rpc"
 	"github.com/erigontech/erigon/rpc/ethapi"
@@ -938,6 +940,51 @@ func TestGetModifiedAccountsByNumber(t *testing.T) {
 		_, err = api.GetModifiedAccountsByNumber(m.Ctx, rpc.BlockNumber(11), &n2)
 		require.Error(t, err)
 	})
+	t.Run("block tags", func(t *testing.T) {
+		latest := rpc.LatestBlockNumber
+		earliest := rpc.EarliestBlockNumber
+
+		result, err := api.GetModifiedAccountsByNumber(m.Ctx, latest, nil)
+		require.NoError(t, err)
+		require.NotEmpty(t, result)
+
+		result, err = api.GetModifiedAccountsByNumber(m.Ctx, earliest, &latest)
+		require.NoError(t, err)
+		require.NotEmpty(t, result)
+
+		n := rpc.BlockNumber(11)
+		result, err = api.GetModifiedAccountsByNumber(m.Ctx, n, &latest)
+		require.NoError(t, err)
+		require.NotEmpty(t, result)
+
+		result, err = api.GetModifiedAccountsByNumber(m.Ctx, rpc.PendingBlockNumber, nil)
+		require.NoError(t, err)
+		require.NotEmpty(t, result)
+
+		_, err = api.GetModifiedAccountsByNumber(m.Ctx, latest, &earliest)
+		require.Error(t, err)
+
+		result, err = api.GetModifiedAccountsByNumber(m.Ctx, rpc.SafeBlockNumber, nil)
+		require.NoError(t, err)
+		require.NotEmpty(t, result)
+
+		result, err = api.GetModifiedAccountsByNumber(m.Ctx, rpc.FinalizedBlockNumber, nil)
+		require.NoError(t, err)
+		require.NotEmpty(t, result)
+
+		// Non-nil filters with a LastPendingBlock exceeding latest executed block should return an error
+		ff := rpchelper.New(t.Context(), rpchelper.FiltersConfig{}, nil, nil, nil, func() {}, log.New(), nil)
+		pendingBlock := types.NewBlockWithHeader(&types.Header{Number: *uint256.NewInt(100)})
+		payload, err := rlp.EncodeToBytes(pendingBlock)
+		require.NoError(t, err)
+		ff.HandlePendingBlock(&txpoolproto.OnPendingBlockReply{RplBlock: payload})
+
+		baseWithFilters := NewBaseApi(ff, m.StateCache, m.BlockReader, m.Engine, nil, &rpccfg.BaseApiConfig{Dirs: m.Dirs})
+		apiWithFilters := NewPrivateDebugAPI(baseWithFilters, m.DB, nil, &rpccfg.DebugApiConfig{})
+
+		_, err = apiWithFilters.GetModifiedAccountsByNumber(m.Ctx, rpc.PendingBlockNumber, nil)
+		require.Error(t, err)
+	})
 }
 
 func TestMapTxNum2BlockNum(t *testing.T) {