Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
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OCN: 7145 TELEPORT COMMUNICATIONS AMERICA, LLC - CA

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NPA-NXX BLOCK Rate Centre Region Switch LATA LIR Eff date Disc date
628-260 4 San Francisco: Central DA CA SNFCCAFJDS0  722   2018-03-29   
628-260 9 San Francisco: Central DA CA SNFCCAFJDS0  722   2018-06-07   
628-267 A San Francisco: Central DA CA SNRSCA01KMD  722      
628-267 1 San Francisco: Central DA CA SNRSCA01KMD  722   2019-09-21   
628-267 6 San Francisco: Central DA CA SNRSCA01KMD  722   2020-05-17   
628-268 6 San Francisco: Central DA CA SNRSCA01KMD  722   2019-10-18   
628-271 2 San Francisco: Central DA CA SNRSCA01KMD  722   2019-11-18   
628-271 3 San Francisco: Central DA CA SNRSCA01KMD  722   2019-11-18   
628-271 4 San Francisco: Central DA CA SNRSCA01KMD  722   2020-04-06   
628-271 5 San Francisco: Central DA CA SNRSCA01KMD  722   2020-04-06   
628-271 6 San Francisco: Central DA CA SNRSCA01KMD  722   2020-04-06   
628-271 7 San Francisco: Central DA CA SNRSCA01KMD  722   2020-04-06   
628-271 8 San Francisco: Central DA CA SNRSCA01KMD  722   2020-04-06   
628-271 9 San Francisco: Central DA CA SNRSCA01KMD  722   2020-04-06   
628-321 A San Francisco: Central DA CA SNRSCA01KMD  722      
628-321 0 San Francisco: Central DA CA SNRSCA01KMD  722   2022-10-25   
628-321 1 San Francisco: Central DA CA SNRSCA01KMD  722   2022-10-25   
628-321 2 San Francisco: Central DA CA SNRSCA01KMD  722   2022-10-25   
628-321 3 San Francisco: Central DA CA SNRSCA01KMD  722   2022-10-25   
628-321 4 San Francisco: Central DA CA SNRSCA01KMD  722   2022-10-25   
628-321 5 San Francisco: Central DA CA SNRSCA01KMD  722   2022-10-25   
628-321 6 San Francisco: Central DA CA SNRSCA01KMD  722   2022-10-25   
628-321 7 San Francisco: Central DA CA SNRSCA01KMD  722   2022-10-25   
628-321 8 San Francisco: Central DA CA SNRSCA01KMD  722   2022-10-25   
628-321 9 San Francisco: Central DA CA SNRSCA01KMD  722   2022-10-25   
628-322 A San Francisco: Central DA CA SNRSCA01KMD  722      
628-322 0 San Francisco: Central DA CA SNRSCA01KMD  722   2022-10-25   
628-322 1 San Francisco: Central DA CA SNRSCA01KMD  722   2022-10-25   
628-322 2 San Francisco: Central DA CA SNRSCA01KMD  722   2022-10-25   
628-322 3 San Francisco: Central DA CA SNRSCA01KMD  722   2022-10-25   
628-322 4 San Francisco: Central DA CA SNRSCA01KMD  722   2022-10-25   
628-322 5 San Francisco: Central DA CA SNRSCA01KMD  722   2022-10-25   
628-322 6 San Francisco: Central DA CA SNRSCA01KMD  722   2022-10-25   
628-322 7 San Francisco: Central DA CA SNRSCA01KMD  722   2022-10-25   
628-322 8 San Francisco: Central DA CA SNRSCA01KMD  722   2022-10-25   
628-322 9 San Francisco: Central DA CA SNRSCA01KMD  722   2022-10-25   
628-323 A San Francisco: Central DA CA SNRSCA01KMD  722      
628-323 0 San Francisco: Central DA CA SNRSCA01KMD  722   2022-10-25   
628-323 1 San Francisco: Central DA CA SNRSCA01KMD  722   2022-10-25   
628-323 2 San Francisco: Central DA CA SNRSCA01KMD  722   2022-10-25   
628-323 3 San Francisco: Central DA CA SNRSCA01KMD  722   2022-10-25   
628-323 4 San Francisco: Central DA CA SNRSCA01KMD  722   2022-10-25   
628-323 5 San Francisco: Central DA CA SNRSCA01KMD  722   2022-10-25   
628-323 6 San Francisco: Central DA CA SNRSCA01KMD  722   2022-10-25   
628-323 7 San Francisco: Central DA CA SNRSCA01KMD  722   2022-10-25   
628-323 8 San Francisco: Central DA CA SNRSCA01KMD  722   2022-10-25   
628-323 9 San Francisco: Central DA CA SNRSCA01KMD  722   2022-10-25   
628-324 A San Francisco: Central DA CA SNRSCA01KMD  722      
628-324 0 San Francisco: Central DA CA SNRSCA01KMD  722   2022-10-27   
628-324 1 San Francisco: Central DA CA SNRSCA01KMD  722   2022-10-27   

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Last updated: Thu, 05 Feb 2026 23:41:55 UTC

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