Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
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OCN: 506J TWILIO INTERNATIONAL, INC.

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NPA-NXX BLOCK Rate Centre Region Switch LATA LIR Eff date Disc date
513-653 A Cincinnati OH CNCNOHREDMD  922      
513-653 8 Cincinnati OH CNCNOHREDMD  922   2021-01-17   
515-895 A Des Moines IA DESMIADTX2Y  632      
515-895 8 Des Moines IA DESMIADTX2Y  632   2020-12-19   
515-978 7 Des Moines IA   632      
517-409 A Blissfield MI ADRNMIXGEMD  340      
517-409 8 Blissfield MI ADRNMIXGEMD  340   2021-07-15   
517-701 9 Clinton MI ADRNMIXGEMD  340   2021-07-15   
517-893 A Lansing MI LNNGMIMN06Z  346      
517-893 8 Lansing MI LNNGMIMN06Z  346   2022-03-11   
520-501 A Tucson AZ TCSNAZMAXDY  668      
520-501 5 Tucson AZ TCSNAZMAXDY  668   2020-12-19   
530-420 4 Robbins CA SCRMCA0112Z  726   2021-04-12   
530-451 8 Smartsville CA SCRMCA0112Z  726   2021-04-12   
530-875 A Chico CA CHICCA01XNX  724      
530-875 8 Chico CA CHICCA01XNX  724   2022-01-24   
531-893 A Lincoln NE LNCLNEXLX7Y  958      
531-893 8 Lincoln NE LNCLNEXLX7Y  958   2022-03-12   
531-895 A Omaha NE OMAHNENWXEY  644      
531-895 8 Omaha NE OMAHNENWXEY  644   2020-12-19   
539-895 A Tulsa OK TULSOKTBXLZ  538      
539-895 8 Tulsa OK TULSOKTBXLZ  538   2021-07-05   
540-470 A Waynesboro VA WYBOVAXAAMD  244   2025-01-06   
540-470 5 Waynesboro VA WYBOVAXAAMD  244   2025-01-07   
540-936 A Harrisonburg VA HRBGVAXAXQX  927      
540-936 3 Harrisonburg VA HRBGVAXAXQX  927   2022-06-16   
540-990 A Dahlgren VA CLPPVACUNMD  246      
540-990 4 Dahlgren VA CLPPVACUNMD  246   2022-04-10   
559-606 A Fresno CA FRSNCA0104Z  728      
559-606 3 Fresno CA FRSNCA0104Z  728   2021-07-20   
559-863 A Dunlap CA SNGRCAXFVMD  728   2025-01-17   
559-863 8 Dunlap CA   728   2025-02-02   
562-560 A Long Beach CA LNBHCAXPX9Y  730      
562-560 5 Long Beach CA LNBHCAXPX9Y  730   2020-11-23   
563-895 A Davenport IA DVNPIADTXTX  634      
563-895 8 Davenport IA DVNPIADTXTX  634   2020-12-21   
567-354 A Convoy OH LIMAOHXAXWX  923      
567-354 8 Convoy OH LIMAOHXAXWX  923   2022-08-29   
567-361 A New Winchester OH MNFDOHXAX7Y  923      
567-361 8 New Winchester OH MNFDOHXAX7Y  923   2022-08-29   
567-363 A Holland OH TOLDOH2115Z  326      
567-363 8 Holland OH TOLDOH2115Z  326   2022-03-18   
571-895 A Washington Zone 8 VA ARTNVAARXFY  236      
571-895 8 Washington Zone 8 VA ARTNVAARXFY  236   2020-10-15   
573-992 A Morrison MO JFCYMOXAX5Y  521      
573-992 5 Morrison MO JFCYMOXAX5Y  521   2022-11-14   
574-821 A Middlebury IN   332      
574-821 3 Middlebury IN   332   2025-08-01   
574-895 A South Bend IN SBNDIN01X9Y  332      
574-895 8 South Bend IN SBNDIN01X9Y  332   2022-02-05   

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Last updated: Sat, 02 May 2026 12:20:53 UTC

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