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Home » Region: Maryland, Carrier Name: MCI WORLDCOM COMM MD

Region Carrier Name:Maryland

This is the United States Region Carrier Name:Maryland Area Code Database page list. You can click the title to browse the detail information.
Region Code: MD
City National Destination Code Sn from Sn to Number Type
Bowie-Glenn Dale 240 2067000 2067999 G
Laurel 236 240 2803000 2803999 G
Emmitsburg 240 3073000 3073999 G
Buckeystown 240 3413000 3413999 G
Buckeystown 240 3419000 3419999 G
Ashton 236 240 3425000 3425999 G
Ashton 238 240 3454000 3454999 G
Williamsport 240 3664000 3664999 G
Mount Airy 240 3943000 3943999 G
Frederick 240 3977000 3977999 G
Berwyn Heights 240 4020000 4020999 G
Berwyn Heights 240 4021000 4021999 G
Berwyn Heights 240 4022000 4022999 G
Berwyn Heights 240 4023000 4023999 G
Berwyn Heights 240 4024000 4024999 G
Berwyn Heights 240 4025000 4025999 G
Berwyn Heights 240 4026000 4026999 G
Berwyn Heights 240 4027000 4027999 G
Berwyn Heights 240 4028000 4028999 G
Berwyn Heights 240 4029000 4029999 G
Waldorf 240 4482000 4482999 G
Middletown 240 4903000 4903999 G
Hagerstown 240 5003000 5003999 G
Bowie-Glenn Dale 240 5093000 5093999 G
Berwyn Heights 240 5122000 5122999 G
Berwyn Heights 240 5123000 5123999 G
Hagerstown 240 5133000 5133999 G
Bethesda 240 5414000 5414999 G
Laurel 238 240 5656000 5656999 G
Cumberland 240 6093000 6093999 G
Berwyn 240 6162000 6162999 X
Berwyn 240 6166000 6166999 X
Berwyn 240 6169000 6169999 X
Rockville 240 6200000 6200999 G
Kensington 240 6219000 6219999 X
Frostburg 240 6573000 6573999 G
Frederick 240 7723000 7723999 G
Bowie-Glenn Dale 240 8658000 8658999 G
Ashton 236 301 2329000 2329999 G
Gaithersburg 301 2502000 2502999 G
Gaithersburg 301 2504000 2504999 G
Gaithersburg 301 2509000 2509999 G
Laurel 236 301 2563000 2563999 G
Laurel 236 301 2569000 2569999 G
Bethesda 301 2721000 2721999 G
Bethesda 301 2722000 2722999 G
Bethesda 301 2723000 2723999 G
Bethesda 301 2726000 2726999 G
Bethesda 301 2728000 2728999 G
Bethesda 301 2729000 2729999 G
Silver Spring 301 2730000 2730999 G
Silver Spring 301 2732000 2732999 G
Silver Spring 301 2739000 2739999 G
Hyattsville 301 2762000 2762999 G
Hyattsville 301 2766000 2766999 G
Hyattsville 301 2769000 2769999 G
Capitol Heights 301 2789000 2789999 G
Oxon Hill 301 2812000 2812999 G
Oxon Hill 301 2819000 2819999 G
Rockville 301 2841000 2841999 G
Rockville 301 2842000 2842999 G
Rockville 301 2845000 2845999 G
Rockville 301 2846000 2846999 G
Rockville 301 2847000 2847999 G
Rockville 301 2849000 2849999 G
Kensington 301 2870000 2870999 G
Kensington 301 2871000 2871999 X
Kensington 301 2872000 2872999 G
Kensington 301 2873000 2873999 G
Kensington 301 2874000 2874999 X
Kensington 301 2875000 2875999 X
Kensington 301 2876000 2876999 X
Kensington 301 2877000 2877999 X
Kensington 301 2879000 2879999 G
Layhill 301 2889000 2889999 G
Berwyn Heights 301 2890000 2890999 X
Berwyn Heights 301 2891000 2891999 X
Berwyn Heights 301 2892000 2892999 X
Berwyn Heights 301 2893000 2893999 G
Berwyn Heights 301 2894000 2894999 X
Berwyn Heights 301 2895000 2895999 X
Berwyn Heights 301 2896000 2896999 X
Berwyn Heights 301 2898000 2898999 X
Berwyn Heights 301 2899000 2899999 G
Bowie-Glenn Dale 301 2910000 2910999 X
Bowie-Glenn Dale 301 2911000 2911999 X
Bowie-Glenn Dale 301 2913000 2913999 X
Bowie-Glenn Dale 301 2914000 2914999 X
Bowie-Glenn Dale 301 2916000 2916999 X
Bowie-Glenn Dale 301 2919000 2919999 G
Rockville 301 2960000 2960999 G
Rockville 301 2961000 2961999 G
Rockville 301 2962000 2962999 G
Rockville 301 2963000 2963999 G
Rockville 301 2964000 2964999 G
Rockville 301 2965000 2965999 G
Rockville 301 2967000 2967999 G
Rockville 301 2968000 2968999 G
Rockville 301 2969000 2969999 G
Hagerstown 301 3028000 3028999 G