Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
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NPA: 781 [Rate centres in NPA 781] [Dial plan for NPA 781]

NXX: 991

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
781-991 A Medford MA CMBSMA01AMD  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 128   2025-02-01   
781-991 8 Medford MA CMBSMA01AMD  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 128   2025-02-01   
781-991 9 Medford MA CMBSMA01AMD  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 128   2025-02-01   

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

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