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They create knock-on costs across teams:\nMarketing and retention: inflated list sizes, lower deliverability and engagement, distorted attribution.\n\nOnboarding and account access: OTP failures, increased drop-off, additional manual reviews and support tickets.\n\nBilling and collections: wrong-party contact, time wasted, missed reminders.\n\nBrand and trust: messages sent to the wrong people, customer frustration, and complaint risk.\n\nValidation is one of the highest-ROI data hygiene steps because it reduces spend and improves outcomes.",{"_type":282,"include_section_padding_bottom":150,"include_section_padding_top":149,"section_padding_bottom":283,"section_padding_top":284},{"_type":286,"theme":287},{"_key":444,"_type":245,"column_style":290,"columns":445,"content":512,"show_title_accent":149,"spacing":514,"theme":515},"54cf07358938eb07974f2fd7a9787153",[446,507],{"_key":371,"_type":250,"column_text":447,"column_type":372,"cta":456,"items":457},[448],{"_key":449,"_type":208,"children":450,"markDefs":455,"style":216},"c2a0e516bab2",[451],{"_key":452,"_type":212,"marks":453,"text":454},"b8f36f0649a1",[],"For existing data cleansing and analysis tools, Acudo’s bulk upload portal enables:",[],{"_type":235,"icon_position":150,"link_type":9},[458],{"_key":376,"_type":377,"content":459},[460,467,477,487,497],{"_key":380,"_type":208,"children":461,"level":314,"listItem":315,"markDefs":466,"style":216},[462,464],{"_key":383,"_type":212,"marks":463,"text":385},[262],{"_key":387,"_type":212,"marks":465,"text":389},[],[],{"_key":468,"_type":208,"children":469,"level":314,"listItem":315,"markDefs":476,"style":216},"09327649ef6b",[470,473],{"_key":471,"_type":212,"marks":472,"text":397},"b647278e811a",[262],{"_key":474,"_type":212,"marks":475,"text":401},"98ba843d7a46",[],[],{"_key":478,"_type":208,"children":479,"level":314,"listItem":315,"markDefs":486,"style":216},"fa6957e3262b",[480,483],{"_key":481,"_type":212,"marks":482,"text":409},"c26d11df3ed5",[262],{"_key":484,"_type":212,"marks":485,"text":413},"db0581405f45",[],[],{"_key":488,"_type":208,"children":489,"level":314,"listItem":315,"markDefs":496,"style":216},"0e4782b0c50b",[490,493],{"_key":491,"_type":212,"marks":492,"text":421},"f78121c4014d",[262],{"_key":494,"_type":212,"marks":495,"text":425},"851cf2be0e3f",[],[],{"_key":498,"_type":208,"children":499,"level":314,"listItem":315,"markDefs":506,"style":216},"765fc1c2a653",[500,503],{"_key":501,"_type":212,"marks":502,"text":433},"483c786528b9",[262],{"_key":504,"_type":212,"marks":505,"text":437},"3ad967b1705a",[],[],{"_key":365,"_type":250,"column_image":508,"column_type":239,"cta":511,"show_title_accent":150},{"_type":239,"asset":509},{"_ref":510,"_type":199},"image-fe3f6a54bf8d4bded836898cb6cd463026dd29c1-484x378-png",{"_type":235,"icon_position":150,"link_type":9},{"content":513},"If your business relies on B2C\u002Fhigh-volume customer communications, here’s everything you should be validating: \n\n1) Formatting and country normalisation\nYour database should store numbers in a consistent format (typically E.164). \nWhy is this important? Because a single customer's details may be stored multiple ways (“+44…”, “0044…”, “07…”), report breaks, control of routing and downstream systems, which may behave unpredictably.\n\n2) Line type detection\nNot all numbers behave the same. For example; OTPs to a landline create failed logins and support tickets, VoIP numbers may increase fraud risk (context-dependent), and some service messages should avoid certain types.\n\nWhen using line type to drive routing and policy, allow, block, or step-up verification depending on risk factors.\n\n3) Carrier and portability context\nCustomers can often switch networks based on a number of factors including, if the route is based on outdated carrier data, message failure or become expensive. If cost and deliverability are important to you, include portability-aware signals in your validation stack. \n\n4) Reachability signals\n“Reachable” doesn’t mean “the phone is switched on right now”. It means “this number is likely to connect successfully in the real world.”\nReachability signals are often used as a decision input, not a binary truth, which will help you to decide whether to retry via an alternative route, switch communication channel, or ask the customer for updated information. \n",{"_type":282,"include_section_padding_bottom":150,"include_section_padding_top":149,"section_padding_bottom":283,"section_padding_top":284},{"_type":286,"theme":287},{"_key":517,"_type":245,"center_content":149,"column_style":290,"columns":518,"content":545,"show_title_accent":150,"spacing":548,"theme":550},"178f9fd1dabb",[519,533],{"_key":520,"_type":250,"column_type":521,"cta":522,"title_text_items":523},"92d1f763d3b8","title_text_items",{"_type":235,"icon_position":150,"link_type":9},[524,529],{"_key":525,"_type":526,"text":527,"title":528},"cd3f4805853e","title_text_item","Out of a sample of 25 million processed numbers on behalf of a credit referencing agency, 17.4% were identified as invalid, instantly improving database accuracy and decision-making reliability.","Improved data quality",{"_key":530,"_type":526,"text":531,"title":532},"4e9e9fc64029","Validated number data can be leveraged as a standalone service offering, creating a new income source.","New revenue streams",{"_key":534,"_type":250,"column_type":521,"cta":535,"title_text_items":536},"bd308dfc4f88",{"_type":235,"icon_position":150,"link_type":9},[537,541],{"_key":538,"_type":526,"text":539,"title":540},"252434ab08c1","By removing 4.35 million inactive numbers, this partner could save approximately £104,400 annually in SMS costs alone, and that’s not accounting for further reductions in operational and compliance expenses.","Significant cost savings",{"_key":542,"_type":526,"text":543,"title":544},"02a38de006f0","The success of our integrations often leads to a lasting partnership, with Acudo continuing to evolve alongside organisations’ growing global needs","Long-term partnership",{"content":546,"title":547},"Phone number validation isn’t just a “data hygiene” task,  it’s a performance lever for onboarding, messaging, fraud prevention, and compliance. When you validate numbers properly, you reduce wasted spend and increase reachability without adding friction for genuine customers.\n\nIf you’re not sure what depth of validation you need (or how to apply the results in your workflows), talk to the Acudo team. We’ll help you map validation to your use case, from OTPs and service messaging to high-volume campaigns and risk controls.\n","Bring it all together",{"_type":282,"include_section_padding_bottom":149,"include_section_padding_top":149,"section_padding_bottom":549,"section_padding_top":284},"section-padding-bottom-lg",{"_type":286,"theme":287},[552],{"_key":553,"_type":208,"children":554,"style":216},"941052fb4653",[555],{"_key":556,"_type":212,"text":557},"e029e8fc6f31","Keeping CRM data clean shouldn’t be a constant battle, and failed SMS campaigns shouldn’t drain your marketing budget. Yet enterprises often struggle with outdated records, invalid numbers, and the cost of reaching customers who simply don’t exist.",{"_type":239,"alt":233,"asset":559},{"_ref":560,"_type":199},"image-49c500e6191fa70835ffa9ac0468a431bdda41f9-848x402-png","Read more",{"meta_description":563,"meta_title":564},"We remove the complexities of phone number validation. With Acudo, you'll benefit from instant validation, automated checks against global records, and a simple, easy-to-understand output every time. 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