Local Calling Guide

Rate centre information

Search by rate centre (exchange) name, region, area code, LATA. Enter full or partial name. Use official postal abbreviations for province/state/territory.

East Contra Costa, CA [Prefix detail]

LATA: 722 SAN FRANCISCO CA

LIR:

V: 08448 H: 08600

ILEC: 9740 PACIFIC BELL

Includes all or part of:

NPA 925:

240 306 308 390 392 418 420 450 508 513 516 578 625 626 634 666 679 684 809 832 880

See all [Local Prefixes]

Local calling TO: [Reverse direction]

OCNRate centrePlan typeCall typeMonthly limit (minutes)NoteEffective date
Antioch, CA ZUM1    
Clayton, CA ZUM3    
Pittsburg, CA ZUM3    
Pittsburg West, CA ZUM3    

*If OCN is blank, this indicates the default local calling area for all carriers. If OCN is not blank, then local calling is available for that OCN only.

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

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