Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
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NPA: 774 [Rate centres in NPA 774] [Dial plan for NPA 774]

NXX: 552

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
774-552 A Hyannis MA HYNSMAOCDS1  9102 VERIZON NEW ENGLAND INC. 128      
774-552 0 Hyannis MA   4036 NEW CINGULAR WIRELESS PCS, LLC - DC 128   2020-02-09   
774-552 1 Hyannis MA   515J IP HORIZON LLC 128   2013-04-08   
774-552 2 Hyannis MA   318J COMCAST IP PHONE, LLC 128   2015-06-30   
774-552 3 Hyannis MA   318J COMCAST IP PHONE, LLC 128   2018-11-29   
774-552 4 Hyannis MA   892D ONVOY, LLC - MA 128   2019-02-24   
774-552 5 Hyannis MA   892D ONVOY, LLC - MA 128   2019-02-24   
774-552 6 Hyannis MA   9102 VERIZON NEW ENGLAND INC. 128   2002-09-14   
774-552 7 Hyannis MA   318J COMCAST IP PHONE, LLC 128   2019-03-20   
774-552 8 Hyannis MA   6889 OMNIPOINT MIAMI E LICENSE, LLC 128   2022-03-26   
774-552 9 Hyannis MA   6889 OMNIPOINT MIAMI E LICENSE, LLC 128   2016-08-09   

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

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