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
307-215 2 Casper WY CSPRWYMAX3X  654      
307-412 A Cheyenne WY CHYNWYMAXSX  654      
307-412 9 Cheyenne WY CHYNWYMAXSX  654   2022-11-07   
307-922 A Rock Springs WY CHYNWYMAXXY  654      
307-922 9 Rock Springs WY CHYNWYMAXXY  654      
308-258 A Grand Island NE GDISNEAS3MD  646      
308-258 9 Grand Island NE GDISNEAS3MD  646      
308-589 A Grand Island NE GDISNENW4MD  646      
308-589 9 Grand Island NE GDISNENW4MD  646      
309-222 A Peoria IL PEORILPJ0MD  368      
309-222 9 Peoria IL PEORILPJ0MD  368      
309-229 A Peoria IL PEORILPJ0MD  368      
309-229 2 Peoria IL PEORILPJ0MD  368      
309-229 5 Peoria IL PEORILPJ0MD  368      
309-951 A Danvers IL   366   2024-02-27   
309-951 9 Danvers IL   366   2024-02-27   
310-220 8 Hawthorne CA GRDNCA02DS3  730   2003-09-08   
310-237 4 Culver City CA GRDNCA02DS3  730   2002-08-19   
310-404 A Compton: Gardena DA CA GRDNCA02DS3  730      
310-404 2 Compton: Gardena DA CA GRDNCA02DS3  730      
310-437 2 Santa Monica: Mar Vista DA CA LSANCA03DS0  730   2002-08-21   
310-602 2 Lomita CA GRDNCA02DS3  730   2002-10-27   
310-619 A Torrance CA GRDNCA02DS3  730      
310-619 2 Torrance CA GRDNCA02DS3  730      
310-633 9 Santa Monica: Santa Monica DA CA SNMNCAXPKMD  730      
310-744 A El Segundo CA GRDNCA02DS3  730      
310-744 2 El Segundo CA GRDNCA02DS3  730      
310-744 3 El Segundo CA GRDNCA02DS3  730      
310-744 9 El Segundo CA GRDNCA02DS3  730      
310-981 A Inglewood CA GRDNCA02DS3  730      
310-981 1 Inglewood CA GRDNCA02DS3  730      
310-981 2 Inglewood CA GRDNCA02DS3  730      
312-239 A Chicago Zone 01-Canal IL CHCGILCLDS9  358      
312-239 4 Chicago Zone 01-Canal IL CHCGILCLDS9  358      
312-239 5 Chicago Zone 01-Canal IL CHCGILCLDS9  358      
312-239 9 Chicago Zone 01-Canal IL CHCGILCLDS9  358      
312-395 A Chicago Zone 01-Franklin IL CHCGILCLEMD  358      
312-395 9 Chicago Zone 01-Franklin IL   358      
312-477 4 Chicago Zone 01-Calumet IL CHCGILCLEMD  358   2011-02-14   
312-479 A Chicago Zone 01-Canal IL CHCGILCLEMD  358      
312-479 9 Chicago Zone 01-Canal IL CHCGILCLEMD  358      
312-521 A Chicago Zone 01-Lakeshore IL CHCGILCLEMD  358      
312-521 6 Chicago Zone 01-Lakeshore IL CHCGILCLEMD  358      
312-529 A Chicago Zone 01-Franklin IL CHCGILCLDSC  358      
312-529 1 Chicago Zone 01-Franklin IL CHCGILCLDSC  358      
312-529 2 Chicago Zone 01-Franklin IL CHCGILCLDSC  358      
312-529 3 Chicago Zone 01-Franklin IL CHCGILCLDSC  358      
312-529 6 Chicago Zone 01-Franklin IL CHCGILCLDSC  358      
312-529 9 Chicago Zone 01-Franklin IL CHCGILCLDSC  358      
312-605 7 Chicago Zone 01-Calumet IL CHCGILCLEMD  358   2012-11-04   

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

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