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
603-453 A Hampstead NH MNCHNHCO37Z  122      
603-453 9 Hampstead NH MNCHNHCO37Z  122   2021-07-07   
603-518 A Manchester NH MNCHNHCO37Z  122      
603-518 9 Manchester NH MNCHNHCO37Z  122      
603-521 A Nashua NH MNCHNHCOA02  122      
603-521 1 Nashua NH MNCHNHCOA02  122      
603-521 3 Nashua NH MNCHNHCOA02  122      
603-521 9 Nashua NH MNCHNHCOA02  122      
603-573 4 Concord NH MNCHNHCO37Z  122   2002-09-09   
603-676 5 Hanover NH MNCHNHCOA02  122   2006-09-30   
605-254 A Sioux Falls SD SXFLSD10A03  640      
605-254 9 Sioux Falls SD SXFLSD10A03  640      
605-595 A Sioux Falls SD SXFLSD10EMD  640      
605-595 9 Sioux Falls SD SXFLSD10EMD  640      
605-939 A Rapid City SD NWUNSDAA1MD  640      
605-939 2 Rapid City SD NWUNSDAA1MD  640      
608-907 A Evansville WI MDSNWI02X5X  354   2024-02-28   
608-907 9 Evansville WI MDSNWI02X5X  354   2024-02-28   
609-227 5 Bordentown NJ CMDNNJCE69Z  222   2006-07-10   
609-288 4 Mount Holly NJ CMDNNJCE69Z  222   2003-11-15   
609-436 A Princeton NJ CMDNNJCE69Z  222      
609-436 1 Princeton NJ CMDNNJCE69Z  222      
609-436 2 Princeton NJ CMDNNJCE69Z  222      
609-454 A Princeton NJ CMDNNJCE69Z  222      
609-454 9 Princeton NJ CMDNNJCE69Z  222      
609-559 A Pennington NJ CMDNNJCE69Z  222      
609-559 9 Pennington NJ CMDNNJCE69Z  222      
609-570 A Mercerville NJ CMDNNJCE69Z  222      
609-570 4 Mercerville NJ CMDNNJCE69Z  222      
609-571 A Trenton NJ CMDNNJCE69Z  222      
609-571 4 Trenton NJ CMDNNJCE69Z  222      
609-578 5 Cranbury NJ CMDNNJCE69Z  222      
609-583 A Ewing NJ CMDNNJCE69Z  222      
609-583 3 Ewing NJ   222      
609-594 A Atlantic City NJ PSVLNJPLXEZ  220      
609-594 3 Atlantic City NJ PSVLNJPLXEZ  220   2010-03-05   
609-626 A Pleasantville NJ PSVLNJPLXEZ  220      
609-626 3 Pleasantville NJ PSVLNJPLXEZ  220      
609-626 6 Pleasantville NJ PSVLNJPLXEZ  220      
609-659 A Ewing NJ CMDNNJCE69Z  222      
609-659 9 Ewing NJ CMDNNJCE69Z  222      
609-830 A Avalon NJ PSVLNJPLXHY  220      
609-830 9 Avalon NJ PSVLNJPLXHY  220   2012-11-12   
609-930 A Brigantine NJ PSVLNJPLXEZ  220      
609-930 9 Brigantine NJ PSVLNJPLXEZ  220   2020-05-08   
609-973 A Allentown NJ CMDNNJCE65Z  222      
609-973 9 Allentown NJ CMDNNJCE65Z  222   2021-01-15   
609-995 A Ocean City NJ PSVLNJPLXJZ  220      
609-995 9 Ocean City NJ PSVLNJPLXJZ  220   2021-01-15   
610-276 2 Philadelphia Suburban Zone 31 PA PHLAPASLDS5  228   2010-07-07   

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

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