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.

Mill Valley, CA [Prefix detail]

LATA: 722 SAN FRANCISCO CA

LIR:

V: 08469 H: 08748

ILEC: 9740 PACIFIC BELL

Includes all or part of:

NPA 415:

322 326 360 380 381 383 384 388 389 569 634 843 877 879 888 968

NPA 628:

215 245 257 288 291 477 677

See all [Local Prefixes]

Local calling TO: [Reverse direction]

OCNRate centrePlan typeCall typeMonthly limit (minutes)NoteEffective date
Belvedere, CA ZUM1    
Corte Madera, CA ZUM1    
El Sobrante-Pinole, CA ZUM3    
Ignacio, CA ZUM2    
Richmond, CA ZUM2    
San Francisco: Central DA, CA ZUM3    
San Francisco: Juniper DA, CA ZUM3    
San Francisco: Montrose-Evergreen DA, CA ZUM2    
San Rafael, CA ZUM1    
Sausalito, CA ZUM1    
Stinson Beach-Bolinas, CA ZUM1    

*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: Thu, 16 Oct 2025 03:04:18 UTC

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