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.

Ellicott City, MD [Prefix detail]

LATA: 238 BALTIMORE MD

LIR:

V: 05534 H: 01597

ILEC: 9212 VERIZON MARYLAND, INC.

Includes all or part of:

NPA 410:

203 313 418 442 461 465 480 505 680 696 720 748 750 781 988 995

NPA 443:

288 325 355 364 420 574 638 828 973

NPA 667:

280 371 479 686

See all [Local Prefixes]

Local calling TO: [Reverse direction]

OCNRate centrePlan typeCall typeMonthly limit (minutes)NoteEffective date
Arbutus, MD     
Armiger-Gibson Island, MD     
Ashton (Baltimore LATA), MD     
Baltimore, MD     
Brooklyn Park-Linthicum, MD     
Catonsville, MD     
Chase, MD     
Cockeysville, MD     
Columbia, MD     
Dundalk, MD     
Elkridge, MD     
Essex, MD     
Fork, MD     
Glen Burnie, MD     
Glenwood, MD     
Laurel, MD     
Laurel (Baltimore LATA), MD     
Parkville, MD     
Pikesville, MD     
Randallstown, MD     
Reisterstown, MD     
Severn, MD     
Severna Park, MD     
Sparrows Point, MD     
Sykesville, MD     
Towson, MD     
Waterloo, MD     
Waterloo (Washington DC LATA), MD     
Woodlawn, MD     

*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, 18 Jun 2025 02:30:00 UTC

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