diff --git a/apps/edr-freight-api/src/modules/first-mile/first-mile.module.ts b/apps/edr-freight-api/src/modules/first-mile/first-mile.module.ts
index 382499da8..bf6815af7 100644
--- a/apps/edr-freight-api/src/modules/first-mile/first-mile.module.ts
+++ b/apps/edr-freight-api/src/modules/first-mile/first-mile.module.ts
@@ -2,13 +2,22 @@ import { Module, forwardRef } from '@nestjs/common';
 import { TypeOrmModule } from '@nestjs/typeorm';
 
 import { BookingsModule } from '../bookings/bookings.module';
+import { DriversModule } from '../drivers/drivers.module';
+import { NotificationsModule } from '../notifications/notifications.module';
+import { VehiclesModule } from '../vehicles/vehicles.module';
 import { FirstMile } from './entities/first-mile.entity';
 import { FirstMileController } from './first-mile.controller';
 import { FirstMileRepository } from './first-mile.repository';
 import { FirstMileService } from './first-mile.service';
 
 @Module({
-  imports: [TypeOrmModule.forFeature([FirstMile]), forwardRef(() => BookingsModule)],
+  imports: [
+    TypeOrmModule.forFeature([FirstMile]),
+    forwardRef(() => BookingsModule),
+    VehiclesModule,
+    DriversModule,
+    NotificationsModule,
+  ],
   controllers: [FirstMileController],
   providers: [FirstMileRepository, FirstMileService],
   exports: [FirstMileRepository, FirstMileService],
diff --git a/apps/edr-freight-api/src/modules/first-mile/first-mile.service.ts b/apps/edr-freight-api/src/modules/first-mile/first-mile.service.ts
index 904ebf92f..88edcc752 100644
--- a/apps/edr-freight-api/src/modules/first-mile/first-mile.service.ts
+++ b/apps/edr-freight-api/src/modules/first-mile/first-mile.service.ts
@@ -2,6 +2,9 @@ import { Injectable, NotFoundException } from '@nestjs/common';
 import { FindOptionsWhere } from 'typeorm';
 
 import { BookingsRepository } from '../bookings/bookings.repository';
+import { DriversService } from '../drivers/drivers.service';
+import { NotificationsService } from '../notifications/notifications.service';
+import { VehiclesService } from '../vehicles/vehicles.service';
 import { CreateFirstMileDto } from './dto/create-first-mile.dto';
 import { UpdateFirstMileDto } from './dto/update-first-mile.dto';
 import { FirstMile, FirstMileStatus } from './entities/first-mile.entity';
@@ -29,6 +32,9 @@ export class FirstMileService {
   constructor(
     private readonly firstMileRepository: FirstMileRepository,
     private readonly bookingsRepository: BookingsRepository,
+    private readonly vehiclesService: VehiclesService,
+    private readonly driversService: DriversService,
+    private readonly notificationsService: NotificationsService,
   ) {}
 
   /**
@@ -119,7 +125,7 @@ export class FirstMileService {
   }
 
   async update(id: string, dto: UpdateFirstMileDto): Promise<FirstMile> {
-    await this.findById(id);
+    const existing = await this.findById(id);
 
     const updated = await this.firstMileRepository.update(id, {
       ...(dto.bookingId !== undefined ? { bookingId: dto.bookingId } : {}),
@@ -135,9 +141,37 @@ export class FirstMileService {
       throw new NotFoundException(`First-mile record ${id} not found`);
     }
 
+    // Notify assigned driver when a vehicle is newly assigned
+    if (dto.vehicleId && dto.vehicleId !== existing.vehicleId) {
+      void this.notifyDriverAssignment(dto.vehicleId, existing);
+    }
+
     return updated;
   }
 
+  private async notifyDriverAssignment(vehicleId: string, record: FirstMile): Promise<void> {
+    try {
+      const vehicle = await this.vehiclesService.findById(vehicleId);
+      if (!vehicle.assignedDriverId) return;
+
+      const driver = await this.driversService.findById(vehicle.assignedDriverId);
+      if (!driver.phoneNumber) return;
+
+      const booking = (record as FirstMile & { booking?: { reference?: string; firstMilePickupAddress?: string | null; originYard?: { label?: string } | null } }).booking;
+
+      await this.notificationsService.notifyDriverVehicleAssignment({
+        driverPhone: driver.phoneNumber,
+        driverName: `${driver.firstName} ${driver.lastName}`,
+        vehiclePlateNumber: vehicle.plateNumber ?? vehicleId,
+        bookingReference: booking?.reference ?? record.bookingId,
+        pickupAddress: booking?.firstMilePickupAddress,
+        destinationYard: booking?.originYard?.label,
+      });
+    } catch (err) {
+      // Notification failure must never break the assignment flow
+    }
+  }
+
   async remove(id: string): Promise<void> {
     await this.findById(id);
     await this.firstMileRepository.softDelete(id);
diff --git a/apps/edr-freight-api/src/modules/notifications/notifications.service.ts b/apps/edr-freight-api/src/modules/notifications/notifications.service.ts
index 35e8ff07d..088f2bbe0 100644
--- a/apps/edr-freight-api/src/modules/notifications/notifications.service.ts
+++ b/apps/edr-freight-api/src/modules/notifications/notifications.service.ts
@@ -27,9 +27,29 @@ export class NotificationsService {
     if (!strategy) {
       throw new NotFoundException();
     }
-    const sent = await strategy.send(recipient, message)
-    this.logger.log(`is sent - ${sent}`)
+    const sent = await strategy.send(recipient, message);
+    this.logger.log(`is sent - ${sent}`);
   }
 
+  async notifyDriverVehicleAssignment(params: {
+    driverPhone: string;
+    driverName: string;
+    vehiclePlateNumber: string;
+    bookingReference: string;
+    pickupAddress?: string | null;
+    destinationYard?: string | null;
+  }): Promise<void> {
+    const { driverPhone, driverName, vehiclePlateNumber, bookingReference, pickupAddress, destinationYard } = params;
+    const message =
+      `Dear ${driverName}, you have been assigned to a first-mile pickup. ` +
+      `Booking: ${bookingReference}. Vehicle: ${vehiclePlateNumber}. ` +
+      (pickupAddress ? `Pickup: ${pickupAddress}. ` : '') +
+      (destinationYard ? `Destination: ${destinationYard}.` : '');
 
+    try {
+      await this.directSend('sms', driverPhone, message);
+    } catch (err) {
+      this.logger.error(`Failed to notify driver ${driverName} (${driverPhone}): ${String(err)}`);
+    }
+  }
 }
diff --git a/apps/edr-freight-api/src/modules/notifications/strategies/notification.sms.strategy.ts b/apps/edr-freight-api/src/modules/notifications/strategies/notification.sms.strategy.ts
index 2f8916845..d77aac350 100644
--- a/apps/edr-freight-api/src/modules/notifications/strategies/notification.sms.strategy.ts
+++ b/apps/edr-freight-api/src/modules/notifications/strategies/notification.sms.strategy.ts
@@ -8,16 +8,19 @@ import {  firstValueFrom } from 'rxjs';
 export class SmsNotificationStrategy implements NotificationStrategy {
     constructor(private readonly httpService: HttpService, private readonly configService: ConfigService) { }
     async send(recipient: string, message: string) {
-        const url = this.configService.get("OZIKING_SMS_URL")
+        const url = this.configService.get("OZIKING_SMS_URL");
         const body = {
             to: recipient,
-            text: message
-        }
+            sourceId: this.configService.get("OZIKING_SOURCE_ID") ?? "EDR",
+            sourceName: this.configService.get("OZIKING_SOURCE_NAME") ?? "EDR Freight",
+            appKey: this.configService.get("OZIKING_APP_KEY") ?? "",
+            text: message,
+            callbackUrl: "",
+        };
         const response = await firstValueFrom(
-            this.httpService.post(
-                url,
-                body,
-            ),
+            this.httpService.post(url, body, {
+                headers: { accept: "*/*", "Content-Type": "application/json" },
+            }),
         );
 
         return response.status === 201;