jaj78 wrote:For our ward, I have found the most productive sources to be a combination of:
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*WhitePages.com
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I find WhitePages.com to be worse than useless. It is based on fuzzy search algorithms that favor reporting wrong information over returning no hits. For example, I just looked up myself on that site and give my city and state. It returned two possible addresses for me. Both are utterly wrong. (I have not had a listed landline for years.)
Some other so-called "white pages" search sites, based on landline telephone directories of listed numbers, have a couple of serious weaknesses. First, fewer and fewer people have landlines. Second, white-page phone directories typically do not include apartment numbers. They just show the street address of the apartment complex.
In our ward we have multiple mystery households with missing apartment numbers, probably the result of some "helpful" clerks somewhere using white-page searches and shipping the records to us. Without an apartment number, such a street address is useless. No one can visit these addresses, and USPS will never report a forwarding address for a mailing because the mailer started without complete addresses to look up. The truncated address thus becomes a permanent dead end, from which it probably cannot be rescued -- a failure worse than sending it to the Address Unknown file. But for each of them, some clerk somewhere got the lost family off his ward's books, so there was the illusion of success.
To help trap for missing-apartment errors, anyone using a white-pages search result should follow up by submitting the retrieved address to the
USPS Zip validation site. That will show if an aparment number is missing or if the address is otherwise undeliverable.