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: 938

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
603-938 A Bradford NH BRFRNHXARP0  0047 MERRIMACK COUNTY TEL. CO. 122      
603-938 0 Bradford NH BRFRNHXARP0  0047 MERRIMACK COUNTY TEL. CO. 122      
603-938 1 Bradford NH   145J TERRA NOVA TELECOM INC. 122   2025-07-11   
603-938 2 Bradford NH BRFRNHXARP0  0047 MERRIMACK COUNTY TEL. CO. 122      
603-938 5 Bradford NH BRFRNHXARP0  0047 MERRIMACK COUNTY TEL. CO. 122      
603-938 6 Bradford NH BRFRNHXARP0  0047 MERRIMACK COUNTY TEL. CO. 122      
603-938 9 Bradford NH   145J TERRA NOVA TELECOM INC. 122   2026-03-14   

Last updated: Wed, 04 Mar 2026 03:00:52 UTC

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