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Frequently Asked Questions

FAQ OpenCNAM Basics

OpenCNAM Standard uses authoritative sources for phone numbers in Canada. Not all Canadian carriers participate in the traditional CNAM network, however, OpenCNAM Plus is useful for augmenting these traditional CNAM network coverage gaps. OpenCNAM ...


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Some providers sell data which does not come from the authoritative CNAM repositories and is not actual CNAM. This is why their coverage and accuracy can be different, which then leads to different values. OpenCNAM service levels, Standard and Plus, ...


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Some providers sell data which does not come from the authoritative CNAM repositories and is not actual CNAM. This is why their coverage and accuracy can be different, which leads to different values. Both OpenCNAM service levels, Standard and Plus, ...


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OpenCNAM does not return information about the underlying carrier associated with any given phone number. For that, you should use Telo's EveryoneAPI product. If you have an account with OpenCNAM, the same credentials and credit are shared across all ...


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The batch processing of CNAM data is not supported. OpenCNAM may only be used in conjunction with live inbound telephone calls. However, EveryoneAPI may be used to retrieve Name data for a wide variety of applications, and its use is not restricted to ...


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