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Carrier Name:ALLEGIANCE TELCOM MD
This is the United States Carrier Name:ALLEGIANCE TELCOM MD Area Code Database page list. You can click the title to browse the detail information.
| Region Code | Region Name | City | National Destination Code | Sn from | Sn to | Number Type |
|---|---|---|---|---|---|---|
| MD | Maryland | Bethesda | 240 | 2001000 | 2001999 | G |
| MD | Maryland | Bethesda | 240 | 2230000 | 2230999 | G |
| MD | Maryland | Bethesda | 240 | 2231000 | 2231999 | G |
| MD | Maryland | Bethesda | 240 | 2232000 | 2232999 | G |
| MD | Maryland | Bethesda | 240 | 2233000 | 2233999 | G |
| MD | Maryland | Bethesda | 240 | 2234000 | 2234999 | G |
| MD | Maryland | Bethesda | 240 | 2235000 | 2235999 | G |
| MD | Maryland | Bethesda | 240 | 2236000 | 2236999 | G |
| MD | Maryland | Bethesda | 240 | 2238000 | 2238999 | G |
| MD | Maryland | Bethesda | 240 | 2239000 | 2239999 | G |
| MD | Maryland | Gaithersburg | 240 | 2430000 | 2430999 | G |
| MD | Maryland | Gaithersburg | 240 | 2431000 | 2431999 | G |
| MD | Maryland | Gaithersburg | 240 | 2432000 | 2432999 | G |
| MD | Maryland | Gaithersburg | 240 | 2434000 | 2434999 | G |
| MD | Maryland | Gaithersburg | 240 | 2435000 | 2435999 | G |
| MD | Maryland | Gaithersburg | 240 | 2436000 | 2436999 | G |
| MD | Maryland | Gaithersburg | 240 | 2437000 | 2437999 | G |
| MD | Maryland | Gaithersburg | 240 | 2438000 | 2438999 | G |
| MD | Maryland | Gaithersburg | 240 | 2439000 | 2439999 | G |
| MD | Maryland | Silver Spring | 240 | 2470000 | 2470999 | G |
| MD | Maryland | Silver Spring | 240 | 2471000 | 2471999 | G |
| MD | Maryland | Silver Spring | 240 | 2472000 | 2472999 | G |
| MD | Maryland | Silver Spring | 240 | 2473000 | 2473999 | G |
| MD | Maryland | Silver Spring | 240 | 2474000 | 2474999 | G |
| MD | Maryland | Silver Spring | 240 | 2475000 | 2475999 | G |
| MD | Maryland | Silver Spring | 240 | 2476000 | 2476999 | G |
| MD | Maryland | Silver Spring | 240 | 2478000 | 2478999 | G |
| MD | Maryland | Silver Spring | 240 | 2479000 | 2479999 | G |
| MD | Maryland | Bowie-Glenn Dale | 240 | 2600000 | 2609999 | G |
| MD | Maryland | Rockville | 240 | 2680000 | 2689999 | G |
| MD | Maryland | Kensington | 240 | 2900000 | 2909999 | G |
| MD | Maryland | Layhill | 240 | 2931000 | 2931999 | G |
| MD | Maryland | Gaithersburg | 240 | 3060000 | 3069999 | G |
| MD | Maryland | Laurel 238 | 240 | 3197000 | 3197999 | G |
| MD | Maryland | Bowie-Glenn Dale | 240 | 5480000 | 5480999 | G |
| MD | Maryland | Bowie-Glenn Dale | 240 | 5481000 | 5481999 | G |
| MD | Maryland | Bowie-Glenn Dale | 240 | 5482000 | 5482999 | X |
| MD | Maryland | Bowie-Glenn Dale | 240 | 5484000 | 5484999 | X |
| MD | Maryland | Bowie-Glenn Dale | 240 | 5485000 | 5485999 | X |
| MD | Maryland | Bowie-Glenn Dale | 240 | 5486000 | 5486999 | X |
| MD | Maryland | Bowie-Glenn Dale | 240 | 5489000 | 5489999 | X |
| MD | Maryland | Berwyn | 240 | 5530000 | 5530999 | G |
| MD | Maryland | Berwyn | 240 | 5531000 | 5531999 | G |
| MD | Maryland | Berwyn | 240 | 5532000 | 5532999 | X |
| MD | Maryland | Berwyn | 240 | 5533000 | 5533999 | G |
| MD | Maryland | Berwyn | 240 | 5534000 | 5534999 | X |
| MD | Maryland | Berwyn | 240 | 5535000 | 5535999 | X |
| MD | Maryland | Berwyn | 240 | 5536000 | 5536999 | X |
| MD | Maryland | Berwyn | 240 | 5539000 | 5539999 | G |
| MD | Maryland | Laurel 236 | 240 | 5540000 | 5540999 | G |
| MD | Maryland | Laurel 236 | 240 | 5541000 | 5541999 | G |
| MD | Maryland | Laurel 236 | 240 | 5542000 | 5542999 | G |
| MD | Maryland | Laurel 236 | 240 | 5543000 | 5543999 | G |
| MD | Maryland | Laurel 236 | 240 | 5544000 | 5544999 | G |
| MD | Maryland | Laurel 236 | 240 | 5548000 | 5548999 | G |
| MD | Maryland | Laurel 236 | 240 | 5549000 | 5549999 | G |
| MD | Maryland | Ashton 236 | 240 | 5590000 | 5590999 | G |
| MD | Maryland | Ashton 236 | 240 | 5591000 | 5591999 | G |
| MD | Maryland | Ashton 236 | 240 | 5592000 | 5592999 | G |
| MD | Maryland | Ashton 236 | 240 | 5593000 | 5593999 | G |
| MD | Maryland | Ashton 236 | 240 | 5599000 | 5599999 | G |
| MD | Maryland | Laurel 238 | 240 | 8410000 | 8410999 | G |
| MD | Maryland | Laurel 238 | 240 | 8412000 | 8412999 | G |
| MD | Maryland | Bowie-Glenn Dale | 240 | 8420000 | 8420999 | G |
| MD | Maryland | Bowie-Glenn Dale | 240 | 8421000 | 8421999 | G |
| MD | Maryland | Bowie-Glenn Dale | 240 | 8422000 | 8422999 | X |
| MD | Maryland | Bowie-Glenn Dale | 240 | 8424000 | 8424999 | X |
| MD | Maryland | Bowie-Glenn Dale | 240 | 8429000 | 8429999 | G |
| MD | Maryland | Berwyn Heights | 240 | 8430000 | 8430999 | X |
| MD | Maryland | Berwyn Heights | 240 | 8431000 | 8431999 | X |
| MD | Maryland | Berwyn Heights | 240 | 8432000 | 8432999 | X |
| MD | Maryland | Berwyn Heights | 240 | 8434000 | 8434999 | G |
| MD | Maryland | Berwyn Heights | 240 | 8435000 | 8435999 | X |
| MD | Maryland | Berwyn Heights | 240 | 8436000 | 8436999 | X |
| MD | Maryland | Berwyn Heights | 240 | 8439000 | 8439999 | X |
| MD | Maryland | Bethesda | 301 | 5001000 | 5001999 | G |
| MD | Maryland | Bethesda | 301 | 5003000 | 5003999 | G |
| MD | Maryland | Woodlawn | 443 | 2000000 | 2000999 | G |
| MD | Maryland | Woodlawn | 443 | 2001000 | 2001999 | G |
| MD | Maryland | Woodlawn | 443 | 2004000 | 2004999 | G |
| MD | Maryland | Woodlawn | 443 | 2006000 | 2006999 | G |
| MD | Maryland | Woodlawn | 443 | 2007000 | 2007999 | G |
| MD | Maryland | Woodlawn | 443 | 2009000 | 2009999 | G |
| MD | Maryland | Columbia | 443 | 2760000 | 2760999 | G |
| MD | Maryland | Columbia | 443 | 2761000 | 2761999 | G |
| MD | Maryland | Columbia | 443 | 2762000 | 2762999 | G |
| MD | Maryland | Columbia | 443 | 2764000 | 2764999 | G |
| MD | Maryland | Columbia | 443 | 2765000 | 2765999 | G |
| MD | Maryland | Columbia | 443 | 2766000 | 2766999 | G |
| MD | Maryland | Columbia | 443 | 2767000 | 2767999 | G |
| MD | Maryland | Columbia | 443 | 2769000 | 2769999 | G |
| MD | Maryland | Towson | 443 | 2790000 | 2790999 | G |
| MD | Maryland | Towson | 443 | 2791000 | 2791999 | G |
| MD | Maryland | Towson | 443 | 2792000 | 2792999 | G |
| MD | Maryland | Towson | 443 | 2793000 | 2793999 | G |
| MD | Maryland | Towson | 443 | 2794000 | 2794999 | G |
| MD | Maryland | Towson | 443 | 2795000 | 2795999 | G |
| MD | Maryland | Towson | 443 | 2796000 | 2796999 | G |
| MD | Maryland | Towson | 443 | 2797000 | 2797999 | G |
| MD | Maryland | Towson | 443 | 2799000 | 2799999 | G |
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