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, MD [Prefix detail]

LATA: 236 WASHINGTON DC

LIR:

V: 05605 H: 01578

ILEC: 9212 VERIZON MARYLAND, INC.

Includes all or part of:

NPA 240:

296 413 467 487 495 539 582 610 613 615 623 667 696 714 737 764 770 825 828 898 900 906

NPA 301:

209 226 239 276 277 306 314 322 341 361 364 386 403 405 422 429 436 454 458 459 484 531 546 559 560 577 583 618 683 699 731 772 773 779 789 832 851 852 853 864 887 892 918 927 955 985

See all [Local Prefixes]

Local calling TO 25 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 10, MD     
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 (Baltimore LATA), MD     
Washington Zone 5, MD     
Washington Zone 6, MD     
Washington Zone 8, VA     
West River, MD     

Last updated: Tue, 02 Oct 2018 01:27:32 UTC

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