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423-399

You are reviewing the Area Code (NPA/NXX) report for 423-399. Did you mean to search the SMS short code 423399?

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Phone LookupTop ComplaintsArea CodesNPA-NXXiMessage
Examples: 206-739-5800, 206, 206-739, 48369
Raw Number423399
Basic Format423-399
NPA (Area Code)423
NXX399

Call Routing Data

NPA-NXX-XOCNCompanyRate CenterUse TypeAssign DateCityStateRegionBlock Effective DateBlock Available Date
423-399-0XXX124FBANDWIDTH.COM CLEC, LLC - TNSULIVNGDNSAS02/10/2026SULLIVAN GARDENSTNSE04/09/2026
423-399-1XXX124FBANDWIDTH.COM CLEC, LLC - TNSULIVNGDNSAPSULLIVAN GARDENSTNSE04/10/2026
423-399-2XXX124FBANDWIDTH.COM CLEC, LLC - TNSULIVNGDNSAPSULLIVAN GARDENSTNSE04/10/2026
423-399-3XXX124FBANDWIDTH.COM CLEC, LLC - TNSULIVNGDNSAPSULLIVAN GARDENSTNSE04/10/2026
423-399-4XXX124FBANDWIDTH.COM CLEC, LLC - TNSULIVNGDNSAPSULLIVAN GARDENSTNSE04/10/2026
423-399-5XXX124FBANDWIDTH.COM CLEC, LLC - TNSULIVNGDNSAPSULLIVAN GARDENSTNSE04/10/2026
423-399-6XXX124FBANDWIDTH.COM CLEC, LLC - TNSULIVNGDNSAPSULLIVAN GARDENSTNSE04/10/2026
423-399-7XXX124FBANDWIDTH.COM CLEC, LLC - TNSULIVNGDNSAPSULLIVAN GARDENSTNSE04/10/2026
423-399-8XXX124FBANDWIDTH.COM CLEC, LLC - TNSULIVNGDNSAPSULLIVAN GARDENSTNSE04/10/2026
423-399-9XXX124FBANDWIDTH.COM CLEC, LLC - TNSULIVNGDNSAPSULLIVAN GARDENSTNSE04/10/2026
423-399-XXXX124FBANDWIDTH.COM CLEC, LLC - TNSULIVNGDNSAS02/10/2026SULLIVAN GARDENSTN

Reports

Anonymous User from Chattanooga, Tennessee

June 26, 2025 at 11:30 AM

423-399-2760 reported as a Live Voice or Other. Received on June 26, 2025 at 11:09 AM.

Anonymous User from Duff, Tennessee

August 19, 2023 at 11:16 AM

423-399-0985 reported as a Live Voice or Other. Received on August 19, 2023 at 11:12 AM.
Call for Computer & technical support

Anonymous User from Elizabethton, Tennessee

August 10, 2023 at 2:10 PM

423-399-1086 reported as a Robocall. Received on August 10, 2023 at 12:10 PM.
Call for Dropped call or no message

Anonymous User from Sevierville, Tennessee

April 20, 2023 at 10:09 PM

423399138 reported as a Robocall. Received on April 11, 2023 at 9:27 AM.

Anonymous User from Hixson, TN

March 8, 2021 at 6:32 PM

None reported as a Prerecorded Voice. Received on March 8, 2021 at 11:49 AM.
Unwanted call for unknown
Caller ID indicated they called from 423-399-6298
Contacted via Wired

Most 'popular' numbers on this prefix:

423-399-0XXX: 423-399-0938 | 423-399-0965 | 423-399-0980 | 423-399-0983 | 423-399-0986 | 423-399-0987 |
423-399-1XXX: 423-399-1000 | 423-399-1080 | 423-399-1081 | 423-399-1086 | 423-399-1099 | 423-399-1300 | 423-399-1380 | 423-399-1381 | 423-399-1389 | 423-399-1399 |
423-399-6XXX: 423-399-6221 | 423-399-6226 | 423-399-6229 | 423-399-6290 | 423-399-6293 | 423-399-6299 |