Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
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NPA: 603 [Rate centres in NPA 603] [Dial plan for NPA 603]

NXX: 589

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
603-589 A Nashua NH   829J PAETEC ITEL, LLC 122   2025-04-30   
603-589 0 Nashua NH   829J PAETEC ITEL, LLC 122      
603-589 1 Nashua NH   829J PAETEC ITEL, LLC 122      
603-589 2 Nashua NH   829J PAETEC ITEL, LLC 122      
603-589 3 Nashua NH   829J PAETEC ITEL, LLC 122      
603-589 4 Nashua NH   829J PAETEC ITEL, LLC 122      
603-589 5 Nashua NH   829J PAETEC ITEL, LLC 122   2006-12-30   
603-589 6 Nashua NH   829J PAETEC ITEL, LLC 122      
603-589 7 Nashua NH   829J PAETEC ITEL, LLC 122   2007-07-20   
603-589 8 Nashua NH   829J PAETEC ITEL, LLC 122      
603-589 9 Nashua NH MNCHNHIE6MD  318J COMCAST IP PHONE, LLC 122   2012-04-24   

Last updated: Sat, 05 Apr 2025 03:03:23 UTC

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