Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
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NPA: 831 [Rate centres in NPA 831] [Dial plan for NPA 831]

NXX: 280

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
831-280 A Aptos CA SNJUCACL4MD  939H COMMIO, LLC 722      
831-280 0 Aptos CA SNJUCACL4MD  939H COMMIO, LLC 722   2023-10-14   
831-280 1 Aptos CA SNJUCACL4MD  939H COMMIO, LLC 722   2023-10-14   
831-280 2 Aptos CA SNJUCACL4MD  939H COMMIO, LLC 722   2023-10-14   
831-280 3 Aptos CA SNJUCACL4MD  939H COMMIO, LLC 722   2023-10-14   
831-280 4 Aptos CA SNJUCACL4MD  939H COMMIO, LLC 722   2023-10-14   
831-280 8 Aptos CA OKLDCAEB0MD  073H TELNYX LLC 722   2023-12-09   

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

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