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: 281

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
628-281 A San Francisco: Central DA CA SNFCCAMKXIY  732J NUSO, LLC 722      
628-281 0 San Francisco: Central DA CA SNJUCACL4MD  939H COMMIO, LLC 722   2024-01-28   
628-281 1 San Francisco: Central DA CA SNFCCAMKXIY  732J NUSO, LLC 722   2023-03-16   
628-281 2 San Francisco: Central DA CA SNFCCAMKDS3  649C ONVOY, LLC - CA 722   2023-03-24   
628-281 3 San Francisco: Central DA CA SNFCCAMKXIY  732J NUSO, LLC 722   2023-12-09   
628-281 4 San Francisco: Central DA CA SNFCCAMKXIY  732J NUSO, LLC 722   2023-12-09   
628-281 5 San Francisco: Central DA CA SNJUCACL4MD  939H COMMIO, LLC 722   2024-01-28   
628-281 6 San Francisco: Central DA CA SNJUCACL4MD  939H COMMIO, LLC 722   2024-01-28   
628-281 7 San Francisco: Central DA CA SNJUCACL4MD  939H COMMIO, LLC 722   2024-01-28   
628-281 8 San Francisco: Central DA CA SNFCCA21XNZ  624H ONVOY SPECTRUM, LLC 722   2023-10-30   
628-281 9 San Francisco: Central DA CA SNFCCA21XNZ  624H ONVOY SPECTRUM, LLC 722   2023-10-30   

Last updated: Tue, 16 Apr 2024 01:38:01 UTC

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