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.

Washington Zone 4 (Baltimore LATA), MD [Prefix detail]

LATA: 238 BALTIMORE MD

LIR:

V: 05605 H: 01578

ILEC: 9212 VERIZON MARYLAND, INC.

Includes all or part of:

See all [Local Prefixes]

Local calling TO 24 exchanges: [Reverse direction]

Rate centrePlan typeCall typeMonthly limit (minutes)NoteEffective date
Ashton, MD     
Ashton (Baltimore LATA), MD     
Crofton, MD     
Laurel, MD     
Laurel (Baltimore LATA), MD     
Washington Zone 1, DC     
Washington Zone 11, MD     
Washington Zone 12, MD     
Washington Zone 13, MD     
Washington Zone 13 (Baltimore LATA), MD     
Washington Zone 14, MD     
Washington Zone 14 (Baltimore LATA), MD     
Washington Zone 15, MD     
Washington Zone 15 (Baltimore LATA), MD     
Washington Zone 16, MD     
Washington Zone 17, VA     
Washington Zone 19, VA     
Washington Zone 2, MD     
Washington Zone 3, MD     
Washington Zone 4, MD     
Washington Zone 5, MD     
Washington Zone 6, MD     
Washington Zone 8, VA     
West River, MD     

Last updated: Wed, 04 Mar 2026 03:00:52 UTC

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