Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
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NPA: 515 [Rate centres in NPA 515] [Dial plan for NPA 515]

NXX: 498

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
515-498 A Livermore IA DESMIADTFMD  221F ONVOY, LLC - IA 632      
515-498 0 Livermore IA   6266 UNITED STATES CELLULAR - IA 632   2020-05-11   
515-498 1 Livermore IA   073H TELNYX LLC 632   2020-05-28   
515-498 2 Livermore IA   221F ONVOY, LLC - IA 632   2020-11-16   
515-498 3 Livermore IA   221F ONVOY, LLC - IA 632   2020-08-10   
515-498 4 Livermore IA   221F ONVOY, LLC - IA 632   2020-01-27   
515-498 5 Livermore IA   221F ONVOY, LLC - IA 632   2019-10-25   
515-498 6 Livermore IA   221F ONVOY, LLC - IA 632   2020-11-16   
515-498 7 Livermore IA   221F ONVOY, LLC - IA 632   2020-05-26   
515-498 8 Livermore IA   221F ONVOY, LLC - IA 632   2020-05-26   
515-498 9 Livermore IA   444G AUREON COMMUNICATIONS, LLC 632   2020-11-27   

Last updated: Tue, 13 Jan 2026 21:50:02 UTC

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