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
215-796 A Philadelphia Zone 2 PA PHLAPASLDS5  228      
215-796 6 Philadelphia Zone 2 PA PHLAPASLDS5  228      
215-859 A Harleysville PA PHLAPASLUMD  228      
215-859 9 Harleysville PA PHLAPASLUMD  228      
215-882 A Philadelphia Suburban Zone 38 PA PHLAPASLUMD  228      
215-882 6 Philadelphia Suburban Zone 38 PA PHLAPASLUMD  228   2003-08-15   
215-904 A Philadelphia Zone 4 PA PHLAPASLDS5  228      
215-904 9 Philadelphia Zone 4 PA PHLAPASLDS5  228      
215-982 A Philadelphia Zone 1 PA PHLAPASLDS5  228      
215-982 3 Philadelphia Zone 1 PA PHLAPASLDS5  228      
215-982 4 Philadelphia Zone 1 PA PHLAPASLDS5  228      
215-982 5 Philadelphia Zone 1 PA PHLAPASLDS5  228      
215-982 7 Philadelphia Zone 1 PA PHLAPASLDS5  228      
215-982 9 Philadelphia Zone 1 PA PHLAPASLDS5  228      
218-249 A Duluth MN DLTHMNAS2MD  624      
218-249 9 Duluth MN DLTHMNAS2MD  624      
218-355 A Duluth MN DLTHMNAS2MD  624      
218-355 9 Duluth MN DLTHMNAS2MD  624      
220-273 A Sedalia OH WOTNOHEHCMD  324   2024-12-20   
220-273 9 Sedalia OH WOTNOHEHCMD  324   2024-12-20   
220-678 A Somerset OH CLMBOH1169Z  324      
220-678 9 Somerset OH CLMBOH1169Z  324   2022-10-07   
224-264 0 Des Plaines IL   358   2017-08-21   
224-264 1 Des Plaines IL   358   2017-08-21   
224-264 2 Des Plaines IL   358   2017-08-21   
224-264 3 Des Plaines IL   358   2017-08-21   
224-264 4 Des Plaines IL   358   2017-08-21   
224-264 5 Des Plaines IL   358   2017-08-21   
224-264 6 Des Plaines IL   358   2017-08-21   
224-264 7 Des Plaines IL   358   2017-08-21   
224-264 8 Des Plaines IL   358   2017-08-21   
224-264 9 Des Plaines IL   358   2017-08-21   
225-323 A Donaldsonville LA BTRGLAMADS5  492      
225-323 9 Donaldsonville LA BTRGLAMADS5  492      
227-270 A Mount Airy MD   240   2025-03-08   
227-270 9 Mount Airy MD   240   2025-03-08   
227-334 A Keedysville MD FRDRMDFRX2Y  240   2024-12-23   
227-334 9 Keedysville MD FRDRMDFRX2Y  240   2024-12-23   
228-285 A Moss Point MS BILXMSATGMD  484      
228-285 9 Moss Point MS BILXMSATGMD  484   2004-05-29   
228-299 A Pearlington MS BILXMSATHMD  484      
228-299 9 Pearlington MS BILXMSATHMD  484   2019-09-02   
228-574 A Gulfport MS BILXMSATHMD  484      
228-574 9 Gulfport MS BILXMSATHMD  484      
229-944 A Americus GA ALBYGAMAX3X  444      
229-944 9 Americus GA ALBYGAMAX3X  444   2003-12-05   
231-534 A Traverse City MI GDRPMIBL57Z  348      
231-534 9 Traverse City MI GDRPMIBL57Z  348      
234-310 A Greensburg OH AKRNOH2500Z  325      
234-310 4 Greensburg OH AKRNOH2500Z  325      

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Last updated: Sun, 17 May 2026 03:26:51 UTC

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