The provided source material is insufficient to produce a 2000-word article about free samples, promotional offers, no-cost product trials, brand freebies, and mail-in sample programs for U.S. consumers across categories like beauty, baby care, pet products, health, food, and household goods.

BSNL Service Codes Overview Based on Provided Data

The source material contains detailed information about BSNL telecommunications services in India, including various USSD codes and methods for checking account information.

BSNL Data Balance Check Methods

BSNL offers multiple ways to check data balance using USSD codes: - General data balance: 1235 - 2G and 3G data balance: 1236# or 12310# or 112 - 4G data balance: *124 - Night data balance: *1238 - Net balance: 1242 - FRC on net balance check: 1234

BSNL Mobile Application

BSNL provides a mobile application called "BSNL Selfcare" available on both Google Play Store and App Store. Users can register by entering their mobile number and email ID, then check their balance and recharge directly through the app.

Additional BSNL Services and Codes

The source material includes numerous USSD codes for various BSNL services including: - Balance and validity check: 123 - SMS balance: *1231# (local), 1232# (national) - Voice packs: 126 - Last call details: *1243 - Current tariff plan: 1244 - Mobile number check: *222# or *888# or *1# or *555# or *785 - SIM card number check: *999

Customer Service Options

BSNL customers can also check their balance and services through: - IVR call: Dial 1800-180-1503 from the BSNL number - Text message: Send "BAL" to 121 - SMS for offers: Send "OFFER" to 53733

Grace Period Information

The source material explains BSNL's grace periods: - GP1: 7-day grace period starting from the date of plan expiry - GP2: Extended grace period from day 8 to 165 days after plan expiry

The provided source data is exclusively focused on Indian telecommunications services and contains no information about free samples, promotional offers, no-cost product trials, brand freebies, or mail-in sample programs for U.S. consumers. Therefore, it cannot support the requested article about consumer freebies and promotional offers.

Sources

1. BSNL Balance Check Number
2. BSNL USSD Codes for Offers
3. How to Track Your BSNL Balance Using USSD Codes and Apps
4. How to Check BSNL Balance Data Usage Validity Using USSD Codes