Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
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NPA: 231 [Rate centres in NPA 231] [Dial plan for NPA 231]

NXX: 745

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
231-745 A Baldwin MI BLDWMIMNRSA  9323 MICHIGAN BELL TEL CO 348      
231-745 0 Baldwin MI BLDWMIMNRSA  9323 MICHIGAN BELL TEL CO 348      
231-745 1 Baldwin MI BLDWMIMNRSA  9323 MICHIGAN BELL TEL CO 348      
231-745 2 Baldwin MI BLDWMIMNRSA  9323 MICHIGAN BELL TEL CO 348      
231-745 3 Baldwin MI BLDWMIMNRSA  9323 MICHIGAN BELL TEL CO 348      
231-745 4 Baldwin MI BLDWMIMNRSA  9323 MICHIGAN BELL TEL CO 348      
231-745 5 Baldwin MI GDRPMIBL04Z  543C ONVOY, LLCV - MI 348   2013-04-01   
231-745 6 Baldwin MI BLDWMIMNRSA  9323 MICHIGAN BELL TEL CO 348      
231-745 7 Baldwin MI BLDWMIMNRSA  9323 MICHIGAN BELL TEL CO 348      
231-745 8 Baldwin MI BLDWMIMNRSA  9323 MICHIGAN BELL TEL CO 348      
231-745 9 Baldwin MI BLDWMIMNRSA  9323 MICHIGAN BELL TEL CO 348      

Last updated: Fri, 13 May 2022 22:16:13 UTC

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