520-737

You are reviewing the Area Code (NPA/NXX) report for 520-737. Did you mean to search the SMS short code 520737?

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Phone LookupTop ComplaintsArea CodesNPA-NXXiMessage
Raw Number520737
Basic Format520-737
NPA (Area Code)520
NXX737

Call Routing Data

NPA-NXX-XOCNCompanyRate CenterUse TypeAssign DateCityStateRegionBlock Effective DateBlock Available Date
520-737-0XXX907KALLO COMMUNICATIONS LLCSIERRAVISTAFSIERRA VISTAAZWE07/20/2026
520-737-1XXX907KALLO COMMUNICATIONS LLCSIERRAVISTAVSIERRA VISTAAZWE05/09/2026
520-737-2XXX907KALLO COMMUNICATIONS LLCSIERRAVISTAVSIERRA VISTAAZWE05/09/2026
520-737-3XXX907KALLO COMMUNICATIONS LLCSIERRAVISTAFSIERRA VISTAAZWE08/24/2026
520-737-4XXX321JHD CARRIER LLCSIERRAVISTAS10/03/2025SIERRA VISTAAZWE10/31/2025
520-737-5XXX907KALLO COMMUNICATIONS LLCSIERRAVISTAS06/17/2024SIERRA VISTAAZWE08/16/2024
520-737-6XXX321JHD CARRIER LLCSIERRAVISTAS10/03/2025SIERRA VISTAAZWE10/31/2025
520-737-7XXX321JHD CARRIER LLCSIERRAVISTAS10/03/2025SIERRA VISTAAZWE10/31/2025
520-737-8XXX321JHD CARRIER LLCSIERRAVISTAS10/03/2025SIERRA VISTAAZWE10/31/2025
520-737-9XXX321JHD CARRIER LLCSIERRAVISTAS10/03/2025SIERRA VISTAAZWE10/31/2025
520-737-XXXX907KALLO COMMUNICATIONS LLCSIERRAVISTAS06/17/2024SIERRA VISTAAZ

Reports

Anonymous User from Hereford, Arizona

June 18, 2026 at 3:03 PM

520-737-3912 reported as a Robocall. Received on June 18, 2026 at 12:00 PM.
Call for Medical & prescriptions

Anonymous User from , NC

November 7, 2023 at 8:31 PM

5207378 reported as a Robocall. Received on November 6, 2023 at 6:38 PM.

Anonymous User from Tucson, Arizona

October 11, 2022 at 1:26 PM

520-737-3812 reported as a Robocall. Received on October 11, 2022 at 8:49 AM.
Call for Dropped call or no message