Local Calling Guide

Area code/prefix search

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NPA: 810 [Rate centres in NPA 810] [Dial plan for NPA 810]

NXX: 455

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
810-455 A Port Huron MI FLNTMICD0MD  829J PAETEC ITEL, LLC 340      
810-455 0 Port Huron MI   829J PAETEC ITEL, LLC 340      
810-455 1 Port Huron MI   829J PAETEC ITEL, LLC 340      
810-455 2 Port Huron MI   829J PAETEC ITEL, LLC 340      
810-455 3 Port Huron MI   2964 OMNIPOINT COMMUNICATIONS MIDWEST OPERATIONS, LLC 340   2010-04-02   
810-455 4 Port Huron MI   817J INTERACTIVE SERVICES NETWORK, INC. 340      
810-455 5 Port Huron MI   829J PAETEC ITEL, LLC 340      
810-455 6 Port Huron MI   829J PAETEC ITEL, LLC 340      
810-455 7 Port Huron MI   829J PAETEC ITEL, LLC 340      
810-455 8 Port Huron MI   2964 OMNIPOINT COMMUNICATIONS MIDWEST OPERATIONS, LLC 340   2010-09-21   
810-455 9 Port Huron MI   829J PAETEC ITEL, LLC 340      

Last updated: Thu, 29 Jan 2026 14:35:03 UTC

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