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.

Severn, MD [Prefix detail]

LATA: 238 BALTIMORE MD

LIR:

V: 05542 H: 01558

ILEC: 9212 VERIZON MARYLAND, INC.

NPA 410:

222 514 519 551 729 846 921 969 987

NPA 443:

274 308 363 599 679 685 688 734 795

NPA 667:

356 388 410 492 507

See all [Local Prefixes]

Local calling TO 31 exchanges: [Reverse direction]

Rate centrePlan typeCall typeMonthly limit (minutes)NoteEffective date
Annapolis, MD     
Arbutus, MD     
Armiger-Gibson Island, MD     
Baltimore, MD     
Brooklyn Park-Linthicum, MD     
Catonsville, MD     
Chase, MD     
Cockeysville, MD     
Crofton, MD     
Dundalk, MD     
Elkridge, MD     
Ellicott City, MD     
Essex, MD     
Fork, MD     
Glen Burnie, MD     
Laurel, MD     
Laurel (Baltimore LATA), MD     
Millersville, MD     
Odenton, MD     
Parkville, MD     
Pikesville, MD     
Randallstown, MD     
Reisterstown, MD     
Severna Park, MD     
Sherwood Forest, MD     
Sparrows Point, MD     
Towson, MD     
Washington Zone 14 (Baltimore LATA), MD     
Waterloo, MD     
Waterloo (Washington DC LATA), MD     
Woodlawn, MD     

Last updated: Thu, 05 Feb 2026 23:41:55 UTC

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