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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.
| City | National Destination Code | Sn from | Sn to | Number Type |
|---|---|---|---|---|
| Frederick | 240 | 2152000 | 2152999 | G |
| Thurmont | 240 | 2882000 | 2882999 | G |
| Emmitsburg | 240 | 3070000 | 3070999 | X |
| Emmitsburg | 240 | 3079000 | 3079999 | G |
| Hagerstown | 240 | 3137000 | 3137999 | G |
| Williamsport | 240 | 3669000 | 3669999 | G |
| Clinton | 301 | 2342000 | 2342999 | G |
| Oxon Hill | 301 | 2654000 | 2654999 | G |
| Capitol Heights | 301 | 2784000 | 2784999 | G |
| Bowie-Glenn Dale | 301 | 2912000 | 2912999 | G |
| Damascus 240 | 301 | 3636000 | 3636999 | G |
| Bethesda | 301 | 8031000 | 8031999 | G |
| Bethesda | 301 | 8032000 | 8032999 | G |
| Bethesda | 301 | 8033000 | 8033999 | G |
| Bethesda | 301 | 8036000 | 8036999 | G |
| Buckeystown | 301 | 8103000 | 8103999 | X |
| Buckeystown | 301 | 8109000 | 8109999 | G |
| Gaithersburg | 301 | 8204000 | 8204999 | G |
| Gaithersburg | 301 | 8206000 | 8206999 | G |
| Gaithersburg | 301 | 8209000 | 8209999 | G |
| Laurel 236 | 301 | 8214000 | 8214999 | G |
| Laurel 236 | 301 | 8219000 | 8219999 | G |
| Kensington | 301 | 8221000 | 8221999 | X |
| Kensington | 301 | 8229000 | 8229999 | G |
| Berwyn Heights | 301 | 8239000 | 8239999 | G |
| Rockville | 301 | 8250000 | 8250999 | G |
| Bethesda | 301 | 8282000 | 8282999 | G |
| Bethesda | 301 | 8283000 | 8283999 | G |
| Bethesda | 301 | 8289000 | 8289999 | G |
| Silver Spring | 301 | 8309000 | 8309999 | G |
| Hyattsville | 301 | 8329000 | 8329999 | G |
| Cumberland | 301 | 8766000 | 8766999 | G |
| Lexington Park-Great Mills | 301 | 9946000 | 9946999 | G |
| Solomons | 410 | 2315000 | 2315999 | G |
| Towson | 410 | 3725000 | 3725999 | G |
| Brooklyn Park-Linthicum | 410 | 4012000 | 4012999 | G |
| Ocean City | 410 | 5203000 | 5203999 | G |
| Stevensville | 410 | 6048000 | 6048999 | G |
| Easton | 410 | 6900000 | 6900999 | X |
| Easton | 410 | 6909000 | 6909999 | G |
| Warwick | 410 | 7555000 | 7555999 | G |
| Waterloo 236 | 410 | 8245000 | 8245999 | G |
| Catonsville | 410 | 8695000 | 8695999 | G |
| Westminster | 410 | 8715000 | 8715999 | G |
| Essex | 443 | 2312000 | 2312999 | G |
| Chestertown | 443 | 2822000 | 2822999 | G |
| Woodlawn | 443 | 3162000 | 3162999 | G |
| Pikesville | 443 | 3522000 | 3522999 | X |
| Pikesville | 443 | 3526000 | 3526999 | X |
| Pikesville | 443 | 3527000 | 3527999 | G |
| Baltimore | 443 | 3929000 | 3929999 | G |
| Parkville | 443 | 4251000 | 4251999 | G |
| Pocomoke | 443 | 4372000 | 4372999 | G |
| Denton | 443 | 4482000 | 4482999 | G |
| Edgewood | 443 | 4561000 | 4561999 | X |
| Edgewood | 443 | 4562000 | 4562999 | X |
| Edgewood | 443 | 4567000 | 4567999 | G |
| Elkton | 443 | 4852000 | 4852999 | G |
| Waterloo 238 | 443 | 7339000 | 7339999 | G |
| Annapolis | 443 | 7589000 | 7589999 | G |
| Aberdeen | 443 | 7609000 | 7609999 | G |
| Salisbury | 443 | 8809000 | 8809999 | G |
| Glen Burnie | 443 | 8832000 | 8832999 | X |
| Glen Burnie | 443 | 8834000 | 8834999 | G |
| Glen Burnie | 443 | 8837000 | 8837999 | X |
| Cockeysville | 443 | 8862000 | 8862999 | G |
| Cockeysville | 443 | 8869000 | 8869999 | G |
| Columbia | 443 | 8960000 | 8960999 | G |
| Columbia | 443 | 8961000 | 8961999 | G |
| Columbia | 443 | 8962000 | 8962999 | G |
| Columbia | 443 | 8965000 | 8965999 | G |
| Columbia | 443 | 8969000 | 8969999 | G |
| Baltimore | 443 | 9572000 | 9572999 | G |
| Baltimore | 443 | 9576000 | 9576999 | G |
| Bel Air | 443 | 9879000 | 9879999 | G |
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