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
773-329 2 Chicago Zone 03-Newcastle IL CHCGILCLEMD  358      
773-409 A Chicago Zone 02-Irving IL CHCGILCLEMD  358      
773-409 6 Chicago Zone 02-Irving IL CHCGILCLEMD  358      
773-413 A Chicago Zone 05-Austin IL CHCGILCLEMD  358      
773-413 5 Chicago Zone 05-Austin IL CHCGILCLDSC  358      
773-823 A Chicago Zone 06-Lafayette IL CHCGILCLEMD  358      
773-823 3 Chicago Zone 06-Lafayette IL CHCGILCLEMD  358      
773-952 5 Chicago Zone 07-Stewart IL CHCGILCLDS9  358   2007-08-05   
774-213 6 Middleboro MA FRMNMAWARMD  128   2008-05-02   
774-247 A Buzzards Bay MA FRMNMAWA0MD  128      
774-247 2 Buzzards Bay MA FRMNMAWA0MD  128      
774-324 8 Medway MA FRMNMAWADS0  128   2001-06-08   
774-512 5 Westboro MA FRMNMAWAEMD  128   2010-06-28   
774-512 6 Westboro MA FRMNMAWAEMD  128   2010-06-28   
774-512 7 Westboro MA FRMNMAWAEMD  128   2010-06-28   
779-324 6 Frankfort IL CHCGILCLEMD  358   2012-02-16   
781-228 A Braintree MA FRMNMAWA4MD  128      
781-228 2 Braintree MA FRMNMAWA4MD  128      
781-228 4 Braintree MA FRMNMAWA4MD  128      
781-265 A Burlington MA FRMNMAWARMD  128      
781-265 5 Burlington MA FRMNMAWARMD  128      
781-298 A Canton MA FRMNMAWARMD  128      
781-298 2 Canton MA FRMNMAWARMD  128      
781-298 4 Canton MA FRMNMAWARMD  128      
781-355 A Dedham MA FRMNMAWARMD  128      
781-355 3 Dedham MA FRMNMAWARMD  128      
781-374 A Hingham MA FRMNMAWA0MD  128      
781-374 9 Hingham MA FRMNMAWA0MD  128      
781-423 A Rockland MA FRMNMAWA0MD  128      
781-423 9 Rockland MA FRMNMAWA0MD  128      
781-429 5 Needham MA FRMNMAWARMD  128   2010-10-22   
781-429 6 Needham MA FRMNMAWARMD  128   2011-02-03   
781-451 A Wakefield MA FRMNMAWARMD  128      
781-451 2 Wakefield MA FRMNMAWARMD  128      
781-451 4 Wakefield MA FRMNMAWARMD  128      
781-451 9 Wakefield MA FRMNMAWARMD  128      
781-472 A Waltham MA FRMNMAWARMD  128      
781-472 3 Waltham MA FRMNMAWARMD  128      
781-472 6 Waltham MA FRMNMAWARMD  128      
781-472 7 Waltham MA FRMNMAWARMD  128      
781-472 8 Waltham MA FRMNMAWARMD  128      
781-482 A Lexington MA FRMNMAWARMD  128      
781-482 0 Lexington MA FRMNMAWARMD  128      
781-482 1 Lexington MA FRMNMAWARMD  128      
781-482 2 Lexington MA FRMNMAWARMD  128      
781-482 6 Lexington MA FRMNMAWARMD  128      
781-482 9 Lexington MA FRMNMAWARMD  128      
781-518 4 Medford MA FRMNMAWARMD  128   2003-11-28   
781-537 A Woburn MA FRMNMAWARMD  128      
781-537 1 Woburn MA FRMNMAWARMD  128      

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

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