{"id":2158,"date":"2025-11-27T06:22:00","date_gmt":"2025-11-27T00:52:00","guid":{"rendered":"https:\/\/www.smsgatewaycenter.com\/blog\/?post_type=docs&p=2158"},"modified":"2025-11-27T06:22:00","modified_gmt":"2025-11-27T00:52:00","password":"","slug":"how-to-add-blocked-numbers-complete-step-by-step-guide","status":"publish","type":"docs","link":"https:\/\/www.smsgatewaycenter.com\/blog\/kb\/how-to-add-blocked-numbers-complete-step-by-step-guide\/","title":{"rendered":"How to Add Blocked Numbers: Complete Step-by-Step Guide"},"content":{"rendered":"\n

Adding numbers to your blocked list is simple. This guide covers each step, from opening the form to saving your entries.<\/p>\n\n\n\n

Step-by-Step Instructions<\/h2>\n\n\n\n

Step 1: Open the Add Form<\/h3>\n\n\n\n
    \n
  1. Log In<\/strong>: Sign in to your SMS Gateway Center account<\/li>\n\n\n\n
  2. Navigate<\/strong>: Go to Blocked Numbers<\/strong> in your dashboard menu<\/li>\n\n\n\n
  3. Click Add<\/strong>: Click the “Add”<\/strong> button (usually at the top-right)<\/li>\n\n\n\n
  4. Form Opens<\/strong>: A popup form appears<\/li>\n<\/ol>\n\n\n\n

    Step 2: Select Products to Block<\/h3>\n\n\n\n
      \n
    1. Find Product Selection<\/strong>: You’ll see checkboxes for your available products:<\/li>\n<\/ol>\n\n\n\n
        \n
      • SMS<\/strong>: Block SMS messages<\/li>\n\n\n\n
      • WhatsApp<\/strong>: Block WhatsApp messages<\/li>\n\n\n\n
      • Voice<\/strong>: Block voice calls<\/li>\n<\/ul>\n\n\n\n
          \n
        1. Select Products<\/strong>:<\/li>\n<\/ol>\n\n\n\n
            \n
          • Single Product<\/strong>: Check one box (e.g., only SMS)<\/li>\n\n\n\n
          • Multiple Products<\/strong>: Check multiple boxes (e.g., SMS and WhatsApp)<\/li>\n\n\n\n
          • All Products<\/strong>: Check all boxes to block across all channels<\/li>\n<\/ul>\n\n\n\n
              \n
            1. Important<\/strong>: You must select at least one product.<\/li>\n<\/ol>\n\n\n\n

              Examples<\/strong>:<\/p>\n\n\n\n

              Example 1 – Block SMS Only<\/strong>:<\/p>\n\n\n\n

                \n
              • \u2705 Check “SMS”<\/li>\n\n\n\n
              • \u274c Leave “WhatsApp” and “Voice” unchecked<\/li>\n\n\n\n
              • Result: Number receives WhatsApp and Voice, but not SMS<\/li>\n<\/ul>\n\n\n\n

                Example 2 – Block SMS and WhatsApp<\/strong>:<\/p>\n\n\n\n

                  \n
                • \u2705 Check “SMS”<\/li>\n\n\n\n
                • \u2705 Check “WhatsApp”<\/li>\n\n\n\n
                • \u274c Leave “Voice” unchecked<\/li>\n\n\n\n
                • Result: Number receives Voice calls, but not SMS or WhatsApp<\/li>\n<\/ul>\n\n\n\n

                  Example 3 – Block All Products<\/strong>:<\/p>\n\n\n\n

                    \n
                  • \u2705 Check “SMS”<\/li>\n\n\n\n
                  • \u2705 Check “WhatsApp”<\/li>\n\n\n\n
                  • \u2705 Check “Voice”<\/li>\n\n\n\n
                  • Result: Number is blocked from all messaging channels<\/li>\n<\/ul>\n\n\n\n

                    Step 3: Enter Mobile Number<\/h3>\n\n\n\n
                      \n
                    1. Find Mobile Number Field<\/strong>: Locate the text area labeled “Mobile Number”<\/li>\n\n\n\n
                    2. Enter Number Format<\/strong>:<\/li>\n<\/ol>\n\n\n\n
                        \n
                      • Use international format: +919876543210<\/code><\/li>\n\n\n\n
                      • Include country code (e.g., +91 for India)<\/li>\n\n\n\n
                      • No spaces, dashes, or special characters<\/li>\n<\/ul>\n\n\n\n
                          \n
                        1. Correct Formats<\/strong>:<\/li>\n<\/ol>\n\n\n\n
                            \n
                          • \u2705 +919876543210<\/code> (India)<\/li>\n\n\n\n
                          • \u2705 +12025551234<\/code> (USA)<\/li>\n\n\n\n
                          • \u2705 +442071234567<\/code> (UK)<\/li>\n<\/ul>\n\n\n\n
                              \n
                            1. Incorrect Formats<\/strong>:<\/li>\n<\/ol>\n\n\n\n
                                \n
                              • \u274c 9876543210<\/code> (missing country code)<\/li>\n\n\n\n
                              • \u274c +91-98765-43210<\/code> (contains dashes)<\/li>\n\n\n\n
                              • \u274c 91 98765 43210<\/code> (contains spaces)<\/li>\n<\/ul>\n\n\n\n

                                Step 4: Add Multiple Numbers<\/h3>\n\n\n\n

                                You can add multiple numbers at once:<\/p>\n\n\n\n

                                Method 1 – Comma Separated<\/strong>:<\/p>\n\n\n\n

                                +919876543210,+919876543211,+919876543212<\/code><\/pre>\n\n\n\n
                                Method 2 – Line Separated<\/strong> (one per line):<\/p>\n\n\n\n
                                +919876543210\n+919876543211\n+919876543212<\/code><\/pre>\n\n\n\n
                                Method 3 – Mixed<\/strong>:<\/p>\n\n\n\n
                                +919876543210,+919876543211\n+919876543212\n+919876543213<\/code><\/pre>\n\n\n\n
                                Tips<\/strong>:<\/p>\n\n\n\n
                                  \n
                                • Copy-paste from Excel or text files<\/li>\n\n\n\n
                                • Maximum recommended: 100 numbers per batch<\/li>\n\n\n\n
                                • All numbers use the same product selection<\/li>\n<\/ul>\n\n\n\n
                                  Step 5: Set Status<\/h3>\n\n\n\n
                                    \n
                                  1. Find Status Dropdown<\/strong>: Locate the “Status” dropdown<\/li>\n\n\n\n
                                  2. Select Status<\/strong>:<\/li>\n<\/ol>\n\n\n\n
                                      \n
                                    • Active<\/strong>: Blocking is enabled immediately<\/li>\n\n\n\n
                                    • Inactive<\/strong>: Number is added but blocking is disabled (you can enable later)<\/li>\n<\/ul>\n\n\n\n
                                        \n
                                      1. Recommendation<\/strong>: Choose “Active” unless you have a specific reason to delay.<\/li>\n<\/ol>\n\n\n\n
                                        Step 6: Review and Save<\/h3>\n\n\n\n
                                          \n
                                        1. Double-Check<\/strong>:<\/li>\n<\/ol>\n\n\n\n
                                            \n
                                          • \u2705 Product selection is correct<\/li>\n\n\n\n
                                          • \u2705 Mobile number(s) are in correct format<\/li>\n\n\n\n
                                          • \u2705 Status is set appropriately<\/li>\n<\/ul>\n\n\n\n
                                              \n
                                            1. Click Save<\/strong>: Click the “Save Changes”<\/strong> button<\/li>\n\n\n\n
                                            2. Success<\/strong>: You’ll see a success message and the number(s) appear in your blocked list.<\/li>\n<\/ol>\n\n\n\n
                                              Real-World Examples<\/h2>\n\n\n\n
                                              Example 1: Blocking a Single Invalid Number<\/h3>\n\n\n\n
                                              Situation<\/strong>: You notice +919876543210<\/code> consistently fails delivery.<\/p>\n\n\n\n
                                              Steps<\/strong>:<\/p>\n\n\n\n
                                                \n
                                              1. Click “Add”<\/li>\n\n\n\n
                                              2. Check “SMS” (or all products)<\/li>\n\n\n\n
                                              3. Enter: +919876543210<\/code><\/li>\n\n\n\n
                                              4. Select Status: “Active”<\/li>\n\n\n\n
                                              5. Click “Save Changes”<\/li>\n<\/ol>\n\n\n\n
                                                Result<\/strong>: This number will no longer receive SMS messages (or selected products).<\/p>\n\n\n\n
                                                Example 2: Bulk Blocking Invalid Numbers<\/h3>\n\n\n\n
                                                Situation<\/strong>: You have 20 numbers that failed delivery.<\/p>\n\n\n\n
                                                Steps<\/strong>:<\/p>\n\n\n\n
                                                  \n
                                                1. Click “Add”<\/li>\n\n\n\n
                                                2. Check “SMS” and “WhatsApp”<\/li>\n\n\n\n
                                                3. Enter all 20 numbers (comma or line-separated):<\/li>\n<\/ol>\n\n\n\n
                                                     +919876543210,+919876543211,+919876543212,+919876543213,+919876543214\n   +919876543215,+919876543216,+919876543217,+919876543218,+919876543219\n   +919876543220,+919876543221,+919876543222,+919876543223,+919876543224\n   +919876543225,+919876543226,+919876543227,+919876543228,+919876543229<\/code><\/pre>\n\n\n\n
                                                    \n
                                                  1. Select Status: “Active”<\/li>\n\n\n\n
                                                  2. Click “Save Changes”<\/li>\n<\/ol>\n\n\n\n
                                                    Result<\/strong>: All 20 numbers are blocked for SMS and WhatsApp.<\/p>\n\n\n\n
                                                    Example 3: User Requested Opt-Out<\/h3>\n\n\n\n
                                                    Situation<\/strong>: User +919876543210<\/code> requested to stop receiving all messages.<\/p>\n\n\n\n
                                                    Steps<\/strong>:<\/p>\n\n\n\n
                                                      \n
                                                    1. Click “Add”<\/li>\n\n\n\n
                                                    2. Check all products: “SMS”, “WhatsApp”, “Voice”<\/li>\n\n\n\n
                                                    3. Enter: +919876543210<\/code><\/li>\n\n\n\n
                                                    4. Select Status: “Active”<\/li>\n\n\n\n
                                                    5. Click “Save Changes”<\/li>\n<\/ol>\n\n\n\n
                                                      Result<\/strong>: User will not receive any messages from your account.<\/p>\n\n\n\n
                                                      Common Scenarios<\/h2>\n\n\n\n
                                                      Scenario 1: Blocking for Specific Product Only<\/h3>\n\n\n\n
                                                      Question<\/strong>: I want to block SMS but still send WhatsApp messages.<\/p>\n\n\n\n
                                                      Answer<\/strong>:<\/p>\n\n\n\n
                                                        \n
                                                      • Check only “SMS” in product selection<\/li>\n\n\n\n
                                                      • Leave “WhatsApp” unchecked<\/li>\n\n\n\n
                                                      • The number will receive WhatsApp but not SMS<\/li>\n<\/ul>\n\n\n\n
                                                        Scenario 2: Adding Numbers from Excel<\/h3>\n\n\n\n
                                                        Question<\/strong>: How do I add numbers from an Excel file?<\/p>\n\n\n\n
                                                        Answer<\/strong>:<\/p>\n\n\n\n
                                                          \n
                                                        1. Copy numbers from Excel column<\/li>\n\n\n\n
                                                        2. Paste into the mobile number field<\/li>\n\n\n\n
                                                        3. Ensure each number is on a new line or separated by commas<\/li>\n\n\n\n
                                                        4. Verify all numbers include country code (+)<\/li>\n<\/ol>\n\n\n\n
                                                          Scenario 3: Temporary Blocking<\/h3>\n\n\n\n
                                                          Question<\/strong>: Can I add a number but not block it immediately?<\/p>\n\n\n\n
                                                          Answer<\/strong>:<\/p>\n\n\n\n
                                                            \n
                                                          • Yes, select Status: “Inactive”<\/li>\n\n\n\n
                                                          • Number is added to your list but blocking is disabled<\/li>\n\n\n\n
                                                          • You can enable it later by editing the entry<\/li>\n<\/ul>\n\n\n\n
                                                            Validation and Errors<\/h2>\n\n\n\n
                                                            Common Errors<\/h3>\n\n\n\n
                                                            Error: “Please select at least one product”<\/strong><\/p>\n\n\n\n
                                                              \n
                                                            • Cause<\/strong>: No product checkbox is selected<\/li>\n\n\n\n
                                                            • Solution<\/strong>: Check at least one product (SMS, WhatsApp, or Voice)<\/li>\n<\/ul>\n\n\n\n
                                                              Error: “Please enter valid mobile number”<\/strong><\/p>\n\n\n\n
                                                                \n
                                                              • Cause<\/strong>: Mobile number field is empty or invalid format<\/li>\n\n\n\n
                                                              • Solution<\/strong>: Enter number(s) in international format (+country code)<\/li>\n<\/ul>\n\n\n\n
                                                                Error: Invalid number format<\/strong><\/p>\n\n\n\n
                                                                  \n
                                                                • Cause<\/strong>: Number missing country code or contains invalid characters<\/li>\n\n\n\n
                                                                • Solution<\/strong>: Ensure number starts with + and includes country code<\/li>\n<\/ul>\n\n\n\n
                                                                  What Happens After Adding<\/h3>\n\n\n\n
                                                                    \n
                                                                  1. Immediate Effect<\/strong>: If status is “Active”, blocking starts immediately<\/li>\n\n\n\n
                                                                  2. Campaign Protection<\/strong>: All future campaigns check against blocked list<\/li>\n\n\n\n
                                                                  3. Credit Protection<\/strong>: No credits deducted for blocked messages<\/li>\n\n\n\n
                                                                  4. List Update<\/strong>: Number appears in your blocked numbers list<\/li>\n<\/ol>\n\n\n\n
                                                                    Best Practices<\/h2>\n\n\n\n
                                                                    1. Number Format<\/h3>\n\n\n\n
                                                                      \n
                                                                    • Always use international format (+country code)<\/li>\n\n\n\n
                                                                    • Remove spaces, dashes, and special characters<\/li>\n\n\n\n
                                                                    • Validate numbers before adding<\/li>\n<\/ul>\n\n\n\n
                                                                      2. Product Selection<\/h3>\n\n\n\n
                                                                        \n
                                                                      • Block only necessary products<\/li>\n\n\n\n
                                                                      • Use “All Products” for complete opt-outs<\/li>\n\n\n\n
                                                                      • Consider user preferences when blocking<\/li>\n<\/ul>\n\n\n\n
                                                                        3. Bulk Adding<\/h3>\n\n\n\n
                                                                          \n
                                                                        • Test with a few numbers first<\/li>\n\n\n\n
                                                                        • Validate formats before bulk adding<\/li>\n\n\n\n
                                                                        • Keep batches under 100 numbers<\/li>\n<\/ul>\n\n\n\n
                                                                          4. Regular Maintenance<\/h3>\n\n\n\n
                                                                            \n
                                                                          • Review your blocked list regularly<\/li>\n\n\n\n
                                                                          • Remove outdated entries<\/li>\n\n\n\n
                                                                          • Update product selections as needed<\/li>\n<\/ul>\n\n\n\n
                                                                            Troubleshooting<\/h2>\n\n\n\n
                                                                            Issue: Number Not Blocking After Addition<\/h3>\n\n\n\n
                                                                            Possible Causes<\/strong>:<\/p>\n\n\n\n
                                                                              \n
                                                                            • Status is set to “Inactive”<\/li>\n\n\n\n
                                                                            • Wrong product selected<\/li>\n\n\n\n
                                                                            • Number format issue<\/li>\n<\/ul>\n\n\n\n
                                                                              Solutions<\/strong>:<\/p>\n\n\n\n
                                                                                \n
                                                                              1. Check status in blocked numbers list<\/li>\n\n\n\n
                                                                              2. Verify product selections match your campaign<\/li>\n\n\n\n
                                                                              3. Ensure number format is correct<\/li>\n<\/ol>\n\n\n\n
                                                                                Issue: Can’t Add Multiple Numbers<\/h3>\n\n\n\n
                                                                                Possible Causes<\/strong>:<\/p>\n\n\n\n
                                                                                  \n
                                                                                • Format issues in the list<\/li>\n\n\n\n
                                                                                • Special characters present<\/li>\n\n\n\n
                                                                                • Exceeding batch limit<\/li>\n<\/ul>\n\n\n\n
                                                                                  Solutions<\/strong>:<\/p>\n\n\n\n
                                                                                    \n
                                                                                  1. Validate each number format<\/li>\n\n\n\n
                                                                                  2. Remove special characters<\/li>\n\n\n\n
                                                                                  3. Split into smaller batches<\/li>\n<\/ol>\n","protected":false},"excerpt":{"rendered":"
                                                                                    Adding numbers to your blocked list is simple. This guide covers each step, from opening the form to saving your entries. Step-by-Step Instructions Step 1: Open the Add Form Step 2: Select Products to Block Examples: Example 1 – Block SMS Only: Example 2 – Block SMS and WhatsApp: Example 3 – Block All Products: […]<\/p>\n","protected":false},"author":118,"featured_media":0,"comment_status":"closed","ping_status":"closed","template":"","meta":{"footnotes":""},"doc_category":[1805],"doc_tag":[],"class_list":["post-2158","docs","type-docs","status-publish","hentry","doc_category-blocked-numbers"],"year_month":"2026-07","word_count":858,"total_views":0,"reactions":{"happy":0,"normal":0,"sad":0},"author_info":{"name":"admin","author_nicename":"admin","author_url":"https:\/\/www.smsgatewaycenter.com\/blog\/author\/admin\/"},"doc_category_info":[{"term_name":"Blocked Numbers","term_url":"https:\/\/www.smsgatewaycenter.com\/blog\/kb-cat\/blocked-numbers\/"}],"doc_tag_info":[],"_links":{"self":[{"href":"https:\/\/www.smsgatewaycenter.com\/blog\/wp-json\/wp\/v2\/docs\/2158","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.smsgatewaycenter.com\/blog\/wp-json\/wp\/v2\/docs"}],"about":[{"href":"https:\/\/www.smsgatewaycenter.com\/blog\/wp-json\/wp\/v2\/types\/docs"}],"author":[{"embeddable":true,"href":"https:\/\/www.smsgatewaycenter.com\/blog\/wp-json\/wp\/v2\/users\/118"}],"replies":[{"embeddable":true,"href":"https:\/\/www.smsgatewaycenter.com\/blog\/wp-json\/wp\/v2\/comments?post=2158"}],"version-history":[{"count":0,"href":"https:\/\/www.smsgatewaycenter.com\/blog\/wp-json\/wp\/v2\/docs\/2158\/revisions"}],"wp:attachment":[{"href":"https:\/\/www.smsgatewaycenter.com\/blog\/wp-json\/wp\/v2\/media?parent=2158"}],"wp:term":[{"taxonomy":"doc_category","embeddable":true,"href":"https:\/\/www.smsgatewaycenter.com\/blog\/wp-json\/wp\/v2\/doc_category?post=2158"},{"taxonomy":"doc_tag","embeddable":true,"href":"https:\/\/www.smsgatewaycenter.com\/blog\/wp-json\/wp\/v2\/doc_tag?post=2158"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}