diff --git a/.changeset/twelve-comics-bow.md b/.changeset/twelve-comics-bow.md
new file mode 100644
index 000000000..59332fe3e
--- /dev/null
+++ b/.changeset/twelve-comics-bow.md
@@ -0,0 +1,5 @@
+---
+'@typechain/web3-v1': minor
+---
+
+Support passing block number to call functions
diff --git a/packages/target-web3-v1-test/types/types.d.ts b/packages/target-web3-v1-test/types/types.d.ts
index 703bddc91..ac0662a0d 100644
--- a/packages/target-web3-v1-test/types/types.d.ts
+++ b/packages/target-web3-v1-test/types/types.d.ts
@@ -47,7 +47,7 @@ export interface PayableTx extends NonPayableTx {
 
 export interface NonPayableTransactionObject<T> {
   arguments: any[];
-  call(tx?: NonPayableTx): Promise<T>;
+  call(tx?: NonPayableTx, block?: BlockType): Promise<T>;
   send(tx?: NonPayableTx): PromiEvent<TransactionReceipt>;
   estimateGas(tx?: NonPayableTx): Promise<number>;
   encodeABI(): string;
@@ -55,11 +55,17 @@ export interface NonPayableTransactionObject<T> {
 
 export interface PayableTransactionObject<T> {
   arguments: any[];
-  call(tx?: PayableTx): Promise<T>;
+  call(tx?: PayableTx, block?: BlockType): Promise<T>;
   send(tx?: PayableTx): PromiEvent<TransactionReceipt>;
   estimateGas(tx?: PayableTx): Promise<number>;
   encodeABI(): string;
 }
 
-export type BlockType = "latest" | "pending" | "genesis" | number;
+export type BlockType =
+  | "latest"
+  | "pending"
+  | "genesis"
+  | "earliest"
+  | number
+  | BN;
 export type BaseContract = Omit<Contract, "clone" | "once">;
diff --git a/packages/target-web3-v1/static/types.d.ts b/packages/target-web3-v1/static/types.d.ts
index 579ee4ee1..bde5a71af 100644
--- a/packages/target-web3-v1/static/types.d.ts
+++ b/packages/target-web3-v1/static/types.d.ts
@@ -41,7 +41,7 @@ export interface PayableTx extends NonPayableTx {
 
 export interface NonPayableTransactionObject<T> {
   arguments: any[]
-  call(tx?: NonPayableTx): Promise<T>
+  call(tx?: NonPayableTx, block?: BlockType): Promise<T>
   send(tx?: NonPayableTx): PromiEvent<TransactionReceipt>
   estimateGas(tx?: NonPayableTx): Promise<number>
   encodeABI(): string
@@ -49,11 +49,11 @@ export interface NonPayableTransactionObject<T> {
 
 export interface PayableTransactionObject<T> {
   arguments: any[]
-  call(tx?: PayableTx): Promise<T>
+  call(tx?: PayableTx, block?: BlockType): Promise<T>
   send(tx?: PayableTx): PromiEvent<TransactionReceipt>
   estimateGas(tx?: PayableTx): Promise<number>
   encodeABI(): string
 }
 
-export type BlockType = 'latest' | 'pending' | 'genesis' | number
+export type BlockType = 'latest' | 'pending' | 'genesis' | 'earliest' | number | BN
 export type BaseContract = Omit<Contract, 'clone' | 'once'>