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.

Colby, WI

NPA-NXX BLOCK Switch OCN LATA LIR Eff date Disc date
534-227 A GNBYWIEL9MD  516J TON80 COMMUNICATIONS, LLC 350      
534-227 0 WAUSWIXAOMD  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 350      
534-227 1 WAUSWIXAOMD  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 350      
534-227 2 WAUSWIXAOMD  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 350      
534-227 3 WAUSWIXAOMD  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 350      
534-227 4   6508 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - WI 350      
534-227 6 GNBYWIEL9MD  516J TON80 COMMUNICATIONS, LLC 350      
534-227 8 WAUSWIXAX6X  225C ONVOY, LLC - WI 350      
715-223 A CLBYWIXARS0  0886 FRONTIER NORTH INC. - WI 350      
715-223 0 CLBYWIXARS0  0886 FRONTIER NORTH INC. - WI 350      
715-223 1 CLBYWIXARS0  0886 FRONTIER NORTH INC. - WI 350      
715-223 2 CLBYWIXARS0  0886 FRONTIER NORTH INC. - WI 350      
715-223 3 CLBYWIXARS0  0886 FRONTIER NORTH INC. - WI 350      
715-223 4 CLBYWIXARS0  0886 FRONTIER NORTH INC. - WI 350      
715-223 5 GNBYWI01XMX  6508 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - WI 350      
715-223 6 CLBYWIXARS0  0886 FRONTIER NORTH INC. - WI 350      
715-223 7 GNBYWI01XMX  6508 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - WI 350      
715-223 8 CLBYWIXARS0  0886 FRONTIER NORTH INC. - WI 350      
715-223 9   6529 T-MOBILE USA, INC. 350      
715-316 A GNBYWIEL1MD  5489 LEVEL 3 COMMUNICATIONS, LLC - WI 350      
715-316 0 HULLWI01GT0  3839 CHARTER FIBERLINK, LLC - WI 350      
715-316 1 GNBYWI01XMX  6508 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - WI 350      
715-316 2 GNBYWI01XMX  6508 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - WI 350      
715-316 3 GNBYWI01XMX  6508 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - WI 350      
715-316 4 GNBYWIEL1MD  5489 LEVEL 3 COMMUNICATIONS, LLC - WI 350      
715-316 5 APPLWI01XGX  6529 T-MOBILE USA, INC. 350      
715-316 6 HULLWI01GT0  3839 CHARTER FIBERLINK, LLC - WI 350      
715-316 7 WAUSWIAY2MD  9759 METRO SOUTHWEST PCS, LLP 350      
715-316 8 GNBYWI01XMX  6508 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - WI 350      
715-316 9 APPLWI01X9X  007F BANDWIDTH.COM CLEC, LLC - WI 350      
715-390 A GNBYWI01VMD  225C ONVOY, LLC - WI 350      
715-390 0 APPLWI01X9X  007F BANDWIDTH.COM CLEC, LLC - WI 350      
715-390 1 APPLWI01XGX  6529 T-MOBILE USA, INC. 350      
715-390 2 GNBYWI01VMD  624H ONVOY SPECTRUM, LLC 350      
715-390 3 GNBYWI01VMD  225C ONVOY, LLC - WI 350      
715-390 4 GNBYWI01VMD  225C ONVOY, LLC - WI 350      
715-390 5 GNBYWI01VMD  225C ONVOY, LLC - WI 350      
715-390 6 GNBYWI01VMD  225C ONVOY, LLC - WI 350      
715-390 7 APPLWI01XEX  5562 METROPCS, INC. 350      
715-390 8 GNBYWI01VMD  624H ONVOY SPECTRUM, LLC 350      
715-390 9 GNBYWI01VMD  624H ONVOY SPECTRUM, LLC 350      
715-613 A WAUSWIXAOMD  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 350      
715-721 A GNBYWIEL1MD  5489 LEVEL 3 COMMUNICATIONS, LLC - WI 350      
715-721 0 GNBYWI01XMX  6508 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - WI 350      
715-721 1 WAUSWIAY2MD  9759 METRO SOUTHWEST PCS, LLP 350      
715-721 2 GNBYWIEL1MD  5489 LEVEL 3 COMMUNICATIONS, LLC - WI 350      
715-721 3 APPLWI01X9X  007F BANDWIDTH.COM CLEC, LLC - WI 350      
715-721 4 APPLWI01X9X  007F BANDWIDTH.COM CLEC, LLC - WI 350      
715-721 5 GNBYWI01XMX  6508 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - WI 350      
715-721 6 GNBYWI01XMX  6508 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - WI 350      
715-721 7 CRVTWIXA4MD  508J CENTURYLINK COMMUNICATIONS, LLC 350      
715-721 8 STPTWI01HMD  7216 TELEPORT COMMUNICATIONS AMERICA, LLC WI 350      
715-721 9 MNSHWIDQCM0  6274 UNITED STATES CELLULAR - WI 350      

Last updated: Wed, 20 Nov 2024 21:20:06 UTC

Sponsored by: VoIP.ms

Like this site? We accept donations via PayPal.