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.

Holcombe, WI

NPA-NXX BLOCK Switch OCN LATA LIR Eff date Disc date
715-312 A EUCLWI01XOX  6508 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - WI 352      
715-312 0 EUCLWI01XOX  6508 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - WI 352      
715-312 1   624H ONVOY SPECTRUM, LLC 352      
715-312 2 EUCLWI01X9X  225C ONVOY, LLC - WI 352      
715-312 4 EUCLWI01X9X  225C ONVOY, LLC - WI 352      
715-312 7 EUCLWIAU3MD  5489 LEVEL 3 COMMUNICATIONS, LLC - WI 352      
715-517 A HWKNWIXA2MD  129J NTERA, LLC - WI 352      
715-517 1 HWKNWIXA2MD  129J NTERA, LLC - WI 352      
715-517 7 EUCLWI01X9X  225C ONVOY, LLC - WI 352      
715-595 A HLCMWIXARS0  0956 BRIGHTSPEED OF NORTHERN WISCONSIN, LLC 352      
715-595 3 EUCLWI01XOX  6508 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - WI 352      
715-595 4 HLCMWIXARS0  0956 BRIGHTSPEED OF NORTHERN WISCONSIN, LLC 352      
715-595 6 HLCMWIXARS0  0956 BRIGHTSPEED OF NORTHERN WISCONSIN, LLC 352      

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

Sponsored by: ISP Telecom

Like this site? We accept donations via PayPal.