Jolt notification and alert text messages are sent through an Application-to-Person third-party messaging service to ensure reliability in message delivery. The third-party service we use sends text messages from groups of 5 numbers (see groups below). A single user should never get a message from more than 5 unique numbers if the messages are coming through this third party service.

What this means is that you can save those numbers as a single contact in your phone. For example you can save the contact and call it "Jolt", and if you add all 5 numbers to that contact, then all the incoming text messages will show up as coming from "Jolt."
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Here are the Number Groups that the third party service sends from:
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385-732-0042
385-732-0041
385-732-0040
385-732-0039
385-732-0038

385-732-0037
385-732-0036
385-732-0035
385-732-0034
385-732-0033
​

385-732-0032
385-732-0031
385-732-0030
385-732-0029
385-732-0028
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385-732-0027
385-732-0026
385-732-0025
385-732-0024
385-732-0022
​

385-455-7301
385-455-7299
385-455-7297
385-455-7296
385-455-7290
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385-455-7284
385-455-7281
385-455-7274
385-455-7273
385-455-7271
​

385-455-7270
385-455-7268
385-455-7256
385-455-7255
385-455-7245
​

385-455-7243
385-455-7239
385-455-7238
385-455-7224
385-455-7220
​

385-455-0274
385-448-5720
385-336-3965
385-336-3953
385-336-3952
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385-336-3938
385-336-3935
385-732-0044
385-732-0045
385-732-0046