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.

NPA: 608 [Rate centres in NPA 608] [Dial plan for NPA 608]

NXX: 512

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
608-512 A Madison WI MDSNWIUQDS0  7588 CENTURYLINK COMMUNICATIONS LLC - WI 354      
608-512 0 Madison WI MDSNWI11XIX  007F BANDWIDTH.COM CLEC, LLC - WI 354      
608-512 1 Madison WI MDSNWIUQDS0  7588 CENTURYLINK COMMUNICATIONS LLC - WI 354      
608-512 2 Madison WI MDSNWI11XEY  6508 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - WI 354      
608-512 3 Madison WI MDSNWI11XEY  6508 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - WI 354      
608-512 4 Madison WI MDSNWIUQDS0  7588 CENTURYLINK COMMUNICATIONS LLC - WI 354      
608-512 5 Madison WI MDSNWI11XEY  6508 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - WI 354      
608-512 6 Madison WI MDSNWI11XEY  6508 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - WI 354      
608-512 7 Madison WI MDSNWI11XEY  6508 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - WI 354      
608-512 8 Madison WI MDSNWI11XEY  6508 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - WI 354      
608-512 9 Madison WI MDSNWI11XEY  6508 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - WI 354      

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

Sponsored by: BeeVox - Whitelabel Reseller Platform

Like this site? We accept donations via PayPal.