Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
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NPA: 440 [Rate centres in NPA 440] [Dial plan for NPA 440]

NXX: 431

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
440-431 A Hillcrest OH MYHGOH4444E  9321 OHIO BELL TEL CO 320      
440-431 0 Hillcrest OH   9321 OHIO BELL TEL CO 320   2003-09-26   
440-431 1 Hillcrest OH   460K FIRST COMMUNICATIONS, LLC 320   2022-01-07   
440-431 2 Hillcrest OH   9321 OHIO BELL TEL CO 320   2003-09-26   
440-431 3 Hillcrest OH   464C ONVOY, LLC - OH 320   2020-11-15   
440-431 4 Hillcrest OH   464C ONVOY, LLC - OH 320   2020-11-15   
440-431 5 Hillcrest OH   9321 OHIO BELL TEL CO 320   2003-09-26   
440-431 6 Hillcrest OH   6529 T-MOBILE USA, INC. 320   2021-02-14   
440-431 7 Hillcrest OH   6529 T-MOBILE USA, INC. 320   2021-02-14   
440-431 8 Hillcrest OH   6529 T-MOBILE USA, INC. 320   2021-02-14   
440-431 9 Hillcrest OH   6529 T-MOBILE USA, INC. 320   2024-01-11   

Last updated: Thu, 01 Jan 2026 03:59:49 UTC

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