Local Calling Guide

Area code/prefix search

Search by area code/prefix (NPA/NXX) or OCN

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Last updated: Fri, 17 May 2013 01:26:12 UTC

How to use this page

NPA: 203 [Rate centres in NPA 203] [Dial plan for NPA 203]

NXX: 687

NPA-NXX-X Rate Centre Region Switch OCN LATA Eff date Disc date Map
203-687 New Haven CT SMFRCTPUDS0 4800 LEVEL 3 COMMUNICATIONS, LLC - CT [link] 920 map
203-687-0 New Haven CT 6232 NEXTEL COMMUNICATIONS, INC. [link] 920 2003-07-21 map
203-687-1 New Haven CT 6232 NEXTEL COMMUNICATIONS, INC. [link] 920 2003-07-21
203-687-2 New Haven CT 6232 NEXTEL COMMUNICATIONS, INC. [link] 920 2003-07-21
203-687-3 New Haven CT 6232 NEXTEL COMMUNICATIONS, INC. [link] 920 2003-12-29
203-687-4 New Haven CT 4800 LEVEL 3 COMMUNICATIONS, LLC - CT [link] 920
203-687-5 New Haven CT 6388 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CT [link] 920 2003-10-03
203-687-6 New Haven CT 6388 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CT [link] 920 2003-08-09
203-687-7 New Haven CT 6388 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CT [link] 920 2003-06-04
203-687-8 New Haven CT 6388 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CT [link] 920 2003-08-09
203-687-9 New Haven CT 6388 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CT [link] 920 2003-09-03


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