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
972-244 A Plano TX IRNGTXXCKMD  552      
972-244 0 Plano TX   552      
972-244 1 Plano TX   552      
972-244 2 Plano TX   552      
972-244 5 Plano TX   552      
972-244 9 Plano TX   552      
972-246 A Dallas TX DLLSTXTLDS5  552      
972-246 0 Dallas TX   552      
972-246 1 Dallas TX   552      
972-246 2 Dallas TX   552      
972-246 3 Dallas TX   552      
972-246 4 Dallas TX   552      
972-246 5 Dallas TX   552      
972-246 6 Dallas TX   552      
972-318 6 Lewisville EMS TX   552   2002-09-04   
972-332 A Allen EACS TX DLLSTXTLDS5  552      
972-332 9 Allen EACS TX   552      
972-360 A Carrollton TX IRNGTXXCKMD  552      
972-360 1 Carrollton TX   552      
972-360 2 Carrollton TX   552      
972-360 5 Carrollton TX   552      
972-510 A Irving TX IRNGTXXCKMD  552      
972-510 0 Irving TX   552      
972-510 1 Irving TX   552      
972-510 2 Irving TX   552      
972-510 6 Irving TX   552      
972-531 A Plano TX DLLSTXTLDS6  552      
972-649 2 Allen TX   552   2005-01-17   
972-697 A Grand Prairie TX DLLSTXTLDS5  552      
972-697 0 Grand Prairie TX   552      
972-697 2 Grand Prairie TX   552      
972-697 4 Grand Prairie TX   552      
972-750 A Terrell TX DLLSTXTLDS6  552      
972-750 5 Terrell TX   552   2006-09-14   
972-775 9 Midlothian TX   552   2004-04-19   
972-829 7 Lewisville TX   552   2009-01-02   
972-961 5 Rockwall TX   552   2004-05-02   
972-963 4 Frisco TX   552   2002-12-31   
973-240 A Whippany NJ NWRKNJ02DS4  224      
973-240 4 Whippany NJ   224      
973-241 A Bernardsville NJ MRTWNJMRNMD  224      
973-241 9 Bernardsville NJ   224      
973-251 A Livingston NJ MRTWNJMRNMD  224      
973-251 1 Livingston NJ   224      
973-251 3 Livingston NJ   224      
973-264 A Madison NJ RCPKNJ02DS0  224      
973-264 2 Madison NJ   224      
973-265 A Boonton NJ CDKNNJCKDMD  224      
973-265 3 Boonton NJ   224      
973-272 A Passaic NJ RCPKNJ028MD  224      

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Last updated: Sun, 31 May 2020 11:59:01 UTC

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