Local Calling Guide

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

NXX: 621

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
608-621 A Madison WI MDSNWI11XOY  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 354      
608-621 0 Madison WI MDSNWI11XQX  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 354   2021-09-15   
608-621 1 Madison WI MDSNWI11XQX  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 354   2021-09-15   
608-621 2 Madison WI MDSNWI11XAX  225C ONVOY, LLC - WI 354   2022-01-09   
608-621 3 Madison WI MDSNWI11XAX  225C ONVOY, LLC - WI 354   2022-01-09   
608-621 4 Madison WI MDSNWI11XAX  225C ONVOY, LLC - WI 354   2022-01-09   
608-621 5 Madison WI MDSNWI11XAX  225C ONVOY, LLC - WI 354   2022-01-09   
608-621 6 Madison WI MDSNWI11XOY  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 354   2022-03-04   
608-621 7 Madison WI MDSNWI025MD  5489 LEVEL 3 COMMUNICATIONS, LLC - WI 354   2022-06-03   
608-621 8 Madison WI MDSNWI11XQX  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 354   2022-10-14   
608-621 9 Madison WI MDSNWI11XOY  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 354   2021-02-09   

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

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