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: 565

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
515-565 A Livermore IA DESMIADTFMD  221F ONVOY, LLC - IA 632      
515-565 0 Livermore IA   6529 T-MOBILE USA, INC. 632   2024-09-12   
515-565 1 Livermore IA   5562 METROPCS, INC. 632   2025-04-25   
515-565 5 Livermore IA   221F ONVOY, LLC - IA 632   2021-04-17   
515-565 6 Livermore IA   221F ONVOY, LLC - IA 632   2021-04-17   
515-565 7 Livermore IA   9877 LEVEL 3 COMMUNICATIONS, LLC - IA 632   2023-01-08   
515-565 9 Livermore IA   515J IP HORIZON LLC 632   2025-08-21   

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

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