Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
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NPA: 628 [Rate centres in NPA 628] [Dial plan for NPA 628]

NXX: 293

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
628-293 A Nicasio CA SNJUCACL4MD  939H COMMIO, LLC 722      
628-293 0 Nicasio CA SNJUCACL4MD  939H COMMIO, LLC 722   2023-10-09   
628-293 1 Nicasio CA SNJUCACL4MD  939H COMMIO, LLC 722   2023-10-09   
628-293 2 Nicasio CA SNJUCACL4MD  939H COMMIO, LLC 722   2023-10-09   
628-293 3 Nicasio CA SNJUCACL4MD  939H COMMIO, LLC 722   2023-10-09   
628-293 4 Nicasio CA SNJUCACL4MD  939H COMMIO, LLC 722   2023-10-09   
628-293 5 Nicasio CA OKLECAZV1MD  6529 T-MOBILE USA, INC. 722   2024-04-21   
628-293 8 Nicasio CA SNFCCA21XNZ  624H ONVOY SPECTRUM, LLC 722   2024-08-18   

Last updated: Sat, 05 Apr 2025 03:03:23 UTC

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