Local Calling Guide

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NPA: 603 [Rate centres in NPA 603] [Dial plan for NPA 603]

NXX:

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
603-461 A Merrimack NH MRMCNHGICM0  6290 UNITED STATES CELLULAR CORP. - NEW HAMPSHIRE 122      
603-461 0 Merrimack NH   5562 METRO PCS, INC. 122   2017-01-21   
603-461 1 Merrimack NH   5562 METRO PCS, INC. 122   2008-12-15   
603-461 2 Merrimack NH   6290 UNITED STATES CELLULAR CORP. - NEW HAMPSHIRE 122      
603-461 3 Merrimack NH   651D CRC COMMUNICATIONS OF MAINE, INC. - NH 122   2011-03-21   
603-461 4 Merrimack NH   5562 METRO PCS, INC. 122   2014-12-18   
603-461 6 Merrimack NH   6290 UNITED STATES CELLULAR CORP. - NEW HAMPSHIRE 122      
603-461 7 Merrimack NH   7575 CENTURYLINK COMMUNICATIONS LLC 122   2017-06-14   

Last updated: Sun, 31 May 2020 11:59:01 UTC

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