Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
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OCN: 7421 AT&T - LOCAL

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NPA-NXX BLOCK Rate Centre Region Switch LATA LIR Eff date Disc date
636-223 A Imperial MCA3 MO STLSMO09DS2  520      
636-223 1 Imperial MCA3 MO STLSMO09DS2  520      
636-263 A Harvester MCA4 MO STLSMO09DS1  520      
636-263 2 Harvester MCA4 MO STLSMO09DS1  520      
636-299 A Chesterfield MO HLBOMO01DS0  520      
636-299 9 Chesterfield MO HLBOMO01DS0  520      
636-524 6 Festus-Crystal City MO STLSMO09DS2  520   2004-02-08   
636-627 A St Charles MCA3 MO HLBOMO01DS0  520      
636-627 0 St Charles MCA3 MO HLBOMO01DS0  520      
636-628 4 Manchester MO CRVCMOAT3MD  520   2003-01-09   
646-275 8 New York City Zone 01 NY NYCMNY54DS4  132      
646-496 A New York City Zone 01 NY NYCMNY54DS4  132      
646-496 1 New York City Zone 01 NY NYCMNY54DS4  132      
646-496 4 New York City Zone 01 NY NYCMNY54DS4  132      
650-260 A Redwood City CA SNFCCA01DS5  722      
650-260 9 Redwood City CA SNFCCA01DS5  722      
650-264 A San Carlos-Belmont CA SNFCCA01DS5  722      
650-264 1 San Carlos-Belmont CA SNFCCA01DS5  722      
650-265 A Mountain View CA SNFCCA01DS5  722      
650-265 3 Mountain View CA SNFCCA01DS5  722      
650-265 5 Mountain View CA SNFCCA01DS5  722      
650-386 7 Mountain View CA SNFCCA01DS5  722   2012-06-08   
650-449 5 San Francisco: Juniper DA CA SNFCCA01DS5  722   2002-07-22   
650-452 A South San Francisco CA SNFCCA01DS5  722      
650-452 1 South San Francisco CA SNFCCA01DS5  722      
650-690 A Palo Alto CA SNFCCA01DS5  722      
650-690 9 Palo Alto CA SNFCCA01DS5  722      
650-918 A San Mateo CA SNFCCA01DS5  722      
650-918 3 San Mateo CA SNFCCA01DS5  722      
651-367 A Twin Cities MN GLVYMNORVMD  628      
651-367 0 Twin Cities MN GLVYMNORVMD  628      
651-367 1 Twin Cities MN GLVYMNORVMD  628      
651-367 2 Twin Cities MN GLVYMNORVMD  628      
651-367 3 Twin Cities MN GLVYMNORVMD  628      
651-367 5 Twin Cities MN GLVYMNORVMD  628      
651-367 6 Twin Cities MN GLVYMNORVMD  628      
651-367 7 Twin Cities MN GLVYMNORVMD  628      
651-367 8 Twin Cities MN GLVYMNORVMD  628      
651-397 A North Branch MN GLVYMNORVMD  628      
651-397 9 North Branch MN GLVYMNORVMD  628   2023-08-05   
660-236 6 Marshall MO KSCYMO09DS2  524   2009-09-18   
661-341 A Lancaster CA SHOKCA024MD  730      
661-341 9 Lancaster CA SHOKCA024MD  730      
661-565 A Bakersfield: Main DA CA BKFDCA114MD  734      
661-565 9 Bakersfield: Main DA CA BKFDCA114MD  734      
661-678 A Santa Clarita: Newhall-Castaic DA CA SHOKCA02DS2  730      
661-678 2 Santa Clarita: Newhall-Castaic DA CA SHOKCA02DS2  730      
661-678 4 Santa Clarita: Newhall-Castaic DA CA SHOKCA02DS2  730      
661-679 A Bakersfield: North DA CA BKFDCA114MD  734      
661-679 0 Bakersfield: North DA CA BKFDCA114MD  734      

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Last updated: Fri, 22 Mar 2024 03:02:44 UTC

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