Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
  • Effective date searches are available only for US area codes. Our sources for non-US NPA-NXX data do not provide this information.
  • If you want to search an entire area code regardless of activity, leave both the next and past days fields set to zero.

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NPA-NXX BLOCK Rate Centre Region Switch LATA LIR Eff date Disc date
507-851 A Rochester MN ROCHMNHI21Z  620      
507-851 9 Rochester MN ROCHMNHI21Z  620   2022-02-27   
507-868 9 Henderson MN MPLSMNCD00Z  628   2023-10-18   
507-898 A East Garretson MN SXFLSDPS8MD  640      
507-898 0 East Garretson MN SXFLSDPS8MD  640   2023-03-28   
507-902 0 Mankato MN ROCHMNHI21Z  620   2023-05-07   
507-903 A East Valley Springs MN ROCHMNHI21Z  620      
507-903 0 East Valley Springs MN ROCHMNHI21Z  620   2023-03-28   
507-904 A Hayfield MN ROCHMNHI21Z  620      
507-904 8 Hayfield MN ROCHMNHI21Z  620   2023-04-05   
507-969 1 West Concord MN ROCHMNHI21Z  620   2023-03-06   
508-262 7 Seekonk MA SOVLMAABDMD  128   2023-12-01   
508-266 4 Whitinsville MA SOVLMAABDMD  128   2023-12-01   
508-316 6 North Attleboro MA   128   2024-07-18   
508-348 6 Chatham MA   128   2024-09-11   
508-565 4 Easton MA SOVLMAABDMD  128   2023-05-29   
508-576 3 North Attleboro MA   128   2024-06-13   
509-206 6 Clarkston WA SPKNWADZBMD  676   2023-05-26   
509-231 1 Kennewick WA SPKNWADZBMD  676   2023-06-06   
509-300 6 Wenatchee WA SPKNWADZBMD  676   2023-05-04   
509-360 3 Walla Walla WA SPKNWADZBMD  676   2023-05-23   
509-589 4 Newport WA CRALIDXO00Z  960   2023-05-02   
509-746 6 Yakima WA SPKNWADZBMD  676   2023-05-04   
509-791 A Grandview WA SPKNWADZBMD  676      
509-791 0 Grandview WA SPKNWADZBMD  676   2023-09-11   
509-920 A Chewelah WA SPKNWADZBMD  676      
509-920 9 Chewelah WA SPKNWADZBMD  676   2022-10-02   
509-970 A Spokane WA SPKNWADZBMD  676      
509-970 9 Spokane WA SPKNWADZBMD  676   2022-02-17   
513-650 8 Middletown OH DYTNOHKTFMD  328   2023-05-06   
513-656 A Cincinnati OH CNCNOHWSXLZ  922      
513-656 9 Cincinnati OH CNCNOHWSXLZ  922   2023-06-01   
513-798 9 Morning Sun OH CNCNOHWSXLZ  922   2023-11-18   
513-949 8 Waynesville OH CNCNOHWSXLZ  922   2023-11-04   
515-220 5 Cambridge (Huxley Communications) IA DESMIAITX9X  632   2023-03-01   
515-582 3 Madrid IA DESMIAITX9X  632   2023-03-06   
515-862 0 Story City IA DESMIAITX9X  632   2023-06-01   
515-900 2 Boone IA DESMIAITX9X  632   2023-06-01   
515-904 A Des Moines IA DESMIAITX9X  632      
515-904 9 Des Moines IA DESMIAITX9X  632   2022-02-27   
515-916 1 Ames IA DESMIAITX9X  632   2023-05-01   
515-934 0 Nevada IA DESMIAITX9X  632   2023-03-01   
516-930 2 Nassau Zone 1 NY NYCMNYZR32Z  132   2022-12-20   
516-953 0 Nassau Zone 4 NY   132   2024-06-16   
517-326 A Lansing MI LNNGMIDCEMD  346      
517-326 9 Lansing MI LNNGMIDCEMD  346   2022-02-12   
517-344 A Jackson MI LNNGMIDCEMD  346      
517-344 9 Jackson MI LNNGMIDCEMD  346   2022-02-21   
517-428 5 Fowlerville MI LNNGMIDCEMD  346   2023-08-22   
517-443 8 Ogden Center MI SFLDMIMKEMD  340   2023-06-19   

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Last updated: Sat, 01 Jun 2024 11:59:14 UTC

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