Taking a number from Lingo (VOIP) -> Tello -> Google Voice.
Tello actually did the port in 1 day but I thought the port was screwed up, because my Tello burner (old ass Sprint Sanyo flip phone) didn't work. I assumed Lingo probably screwed it up because they are some kind of sinking ship now apparently. (issue turned out to be I just needed to reprogram the phone again, but didn't know until today).
I used various LRN/Carrier Lookup sites to try and see what was going on in the meantime. Here are the results I get TODAY, keep in mind that the port completed Tuesday. All of the sites should now say Sprint which provides for Tello. (Level 3 being the provider for Lingo).
I always thought VOX Tandem was a good LRN lookup, to get the current carrier of a # - boy was I wrong.
WRONG
https://www.voxtandem.com/data_services_lnp_lrn.php - Level 3
https://realphonevalidation.com/resources/phone-carrier-lookup/ - Level 3
https://numverify.com - Absolutely WORTHLESS - returns nothing or sometimes the ORIGINAL carrier (says my cell # is Sprint - dead wrong!!!)
http://checkthem.com/reverse-phone/ - Southwestern Bell - This site is actually insulting. 100% fake loading pages and then it fails to even "load" the final "report", which I'm sure would have been a blurry JPEG and cost $59.99 or something.
RIGHT
https://freecarrierlookup.com - Sprint
https://www.carrierlookup.com - Sprint
https://apeiron.io/lrn - Sprint
https://www.imei.info/carriers/lookup/1/1NPANXX####/ - Sprint
Twilio API - Sprint (easy web interface gone - PITA to use API, but still free for limited # of uses)
https://www.cid.ninja/ - Sprint. Also correct CNAM, but only 1 lookup a day?
OTHER
https://www.textmagic.com/free-tools/carrier-lookup - These guys are assholes, makes form seem as if carrier lookup is free but always returns "This info is available in our paid Carrier Lookup service."
https://www.alcazarnetworks.com/data_services_lnp_lrn.php - Inexplicably broken for months. If you edit the form to enable entry of phone #, still returns AIRUS, INC. for all queries. So the backend is dead
http://www.whoismycarrier.com - They have to send a text to the # so its worthless. But it did identify my cell phone # right. Even worse the SMS is actually just an e-mail. Maybe data collection for spam or ??? nefarious/?
So basically for LRN query or actual live carrier informtion you want to avoid any of the WRONG sites as well as the OTHER sites. Hope this helps someone.
I probably forgot some.
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