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: 643

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
831-643 A Monterey CA MTRYCA01DS0  9740 PACIFIC BELL 736      
831-643 0 Monterey CA MTRYCA01DS0  9740 PACIFIC BELL 736      
831-643 1 Monterey CA MTRYCA01DS0  9740 PACIFIC BELL 736      
831-643 2 Monterey CA MTRYCA01DS0  9740 PACIFIC BELL 736      
831-643 3 Monterey CA MTRYCA01DS0  9740 PACIFIC BELL 736      
831-643 4 Monterey CA SLNSCA01X5Y  516C AT&T CORP. 736      
831-643 5 Monterey CA SLNSCABIXMD  6010 NEW CINGULAR WIRELESS PCS, LLC 736      
831-643 6 Monterey CA SLNSCA01X1Y  7145 TELEPORT COMMUNICATIONS AMERICA, LLC - CA 736      
831-643 7 Monterey CA MTRYCA01DS0  9740 PACIFIC BELL 736      
831-643 8 Monterey CA MTRYCA01DS0  9740 PACIFIC BELL 736      
831-643 9 Monterey CA MTRYCA01DS0  9740 PACIFIC BELL 736      

Last updated: Wed, 20 Nov 2024 21:20:06 UTC

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