Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
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NPA: 605 [Rate centres in NPA 605] [Dial plan for NPA 605]

NXX: 606

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
605-606 A Sioux Falls SD SXFLSDCOX0X  624H ONVOY SPECTRUM, LLC 640      
605-606 0 Sioux Falls SD SXFLSDPSDS0  7076 MIDCONTINENT COMMUNICATIONS. - SD 640   2021-06-21   
605-606 1 Sioux Falls SD SXFLSDCOX0X  624H ONVOY SPECTRUM, LLC 640   2021-10-30   
605-606 2 Sioux Falls SD SXFLSDPS4MD  197D VONAGE AMERICA LLC 640   2021-08-30   
605-606 3 Sioux Falls SD SXFLSDCOX0X  624H ONVOY SPECTRUM, LLC 640   2020-07-06   
605-606 4 Sioux Falls SD SXFLSDCOX0X  624H ONVOY SPECTRUM, LLC 640   2020-07-06   
605-606 5 Sioux Falls SD SXFLSDCOX0X  624H ONVOY SPECTRUM, LLC 640   2020-07-06   
605-606 6 Sioux Falls SD SXFLSDCOX0X  624H ONVOY SPECTRUM, LLC 640   2020-01-15   
605-606 7 Sioux Falls SD SXFLSDCOX0X  624H ONVOY SPECTRUM, LLC 640   2021-10-30   
605-606 8 Sioux Falls SD SXFLSDPS4MD  197D VONAGE AMERICA LLC 640   2021-08-30   
605-606 9 Sioux Falls SD SXFLSDCOX0X  624H ONVOY SPECTRUM, LLC 640   2021-10-30   

Last updated: Tue, 16 Apr 2024 01:38:01 UTC

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