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
650-581 4 San Mateo CA SNFCCAFJDS0  722      
650-581 5 San Mateo CA SNFCCAFJDS0  722      
650-581 6 San Mateo CA SNFCCAFJDS0  722      
650-581 7 San Mateo CA SNFCCAFJDS0  722      
650-581 8 San Mateo CA SNFCCAFJDS0  722      
650-645 A San Mateo CA SNFCCAFJDS0  722      
650-645 2 San Mateo CA SNFCCAFJDS0  722      
650-645 4 San Mateo CA SNFCCAFJDS0  722      
650-645 5 San Mateo CA SNFCCAFJDS0  722      
650-645 8 San Mateo CA SNFCCAFJDS0  722      
650-664 5 Mountain View CA   722   2025-11-03   
650-689 A Millbrae CA SNFCCAFJDS0  722      
650-689 2 Millbrae CA SNFCCAFJDS0  722      
650-689 6 Millbrae CA SNFCCAFJDS0  722      
650-689 8 Millbrae CA SNFCCAFJDS0  722      
650-693 A Mountain View CA SNRSCA01KMD  722      
650-698 5 Palo Alto CA SNRSCA01KMD  722   2022-05-04   
650-698 6 Palo Alto CA SNRSCA01KMD  722   2022-05-04   
650-718 A Moss Beach CA SNJSCA02DS4  722      
650-718 9 Moss Beach CA SNJSCA02DS4  722      
650-729 A Half Moon Bay CA SNFCCAFJDS0  722      
650-729 2 Half Moon Bay CA SNFCCAFJDS0  722      
650-735 A Pacifica CA SNFCCAFJDS0  722      
650-735 4 Pacifica CA SNFCCAFJDS0  722      
650-745 A South San Francisco CA SNFCCAFJDS0  722      
650-745 0 South San Francisco CA SNFCCAFJDS0  722      
650-745 1 South San Francisco CA SNFCCAFJDS0  722      
650-745 2 South San Francisco CA SNFCCAFJDS0  722      
650-745 3 South San Francisco CA SNFCCAFJDS0  722      
650-745 4 South San Francisco CA SNFCCAFJDS0  722      
650-745 7 South San Francisco CA SNFCCAFJDS0  722      
650-745 9 South San Francisco CA SNFCCAFJDS0  722      
650-748 A La Honda CA SNFCCAFJDS0  722      
650-748 0 La Honda CA SNFCCAFJDS0  722      
650-754 2 South San Francisco CA SNJSCA02DS4  722   2011-09-12   
650-760 A South San Francisco CA SNRSCA01KMD  722      
650-760 6 South San Francisco CA SNRSCA01KMD  722   2023-08-06   
650-763 5 South San Francisco CA SNFCCAFJDS0  722   2010-11-15   
650-772 7 Mountain View CA SNJSCA02DS4  722   2014-12-27   
650-779 A Redwood City CA SNFCCAFJDS0  722      
650-779 2 Redwood City CA SNFCCAFJDS0  722      
650-779 9 Redwood City CA SNFCCAFJDS0  722      
650-798 A Palo Alto CA SNFCCAFJDS0  722      
650-798 0 Palo Alto CA SNFCCAFJDS0  722      
650-798 1 Palo Alto CA SNFCCAFJDS0  722      
650-798 2 Palo Alto CA SNFCCAFJDS0  722      
650-798 3 Palo Alto CA SNFCCAFJDS0  722      
650-798 5 Palo Alto CA SNFCCAFJDS0  722      
650-798 6 Palo Alto CA SNFCCAFJDS0  722      
650-798 8 Palo Alto CA SNFCCAFJDS0  722      

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

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