
| DC | Washington | 202 | 517 | 9716 | ISDN |

| DC | BIRMINGHAM | 443 | 545 | 3527 | |||
| DC | GAITHERSBG | 240 | 780 | 9519 | |||
| DC | ALEXANDRIA-ARLINGTON W8 | 202 | 360 | 4967 | v90, v92, ISDN | ||
| DC | ASHTON | 202 | 360 | 4967 | v90, v92, ISDN | ||
| DC | BERWYN W13 | 202 | 360 | 4967 | v90, v92, ISDN | ||
| DC | BETHESDA W2 | 202 | 360 | 4967 | v90, v92, ISDN | ||
| DC | BOWIE-GLEN DALE W14 | 202 | 360 | 4967 | v90, v92, ISDN | ||
| DC | BRADDOCK | 202 | 360 | 4967 | v90, v92, ISDN | ||
| DC | CAPITOL HEIGHTS W5 | 202 | 360 | 4967 | v90, v92, ISDN | ||
| DC | CLINTON W16 | 202 | 360 | 4967 | v90, v92, ISDN | ||
| DC | DULLES | 202 | 360 | 4967 | v90, v92, ISDN | ||
| DC | DULLES METRO | 202 | 360 | 4967 | v90, v92, ISDN | ||
| DC | ENGLESIDE | 202 | 360 | 4967 | v90, v92, ISDN | ||
| DC | FAIRFAX-VIENNA W19 | 202 | 360 | 4967 | v90, v92, ISDN | ||
| DC | FALLS CHURCH-MCLEAN W17 | 202 | 360 | 4967 | v90, v92, ISDN | ||
| DC | GAITHERSBURG | 202 | 360 | 4967 | v90, v92, ISDN | ||
| DC | HERNDON | 202 | 360 | 4967 | v90, v92, ISDN | ||
| DC | HYATTSVILLE W4 | 202 | 360 | 4967 | v90, v92, ISDN | ||
| DC | KENSINGTON W11 | 202 | 360 | 4967 | v90, v92, ISDN | ||
| DC | LAUREL | 202 | 360 | 4967 | v90, v92, ISDN | ||
| DC | LAYHILL W12 | 202 | 360 | 4967 | v90, v92, ISDN | ||
| DC | LORTON | 202 | 360 | 4967 | v90, v92, ISDN | ||
| DC | LORTON METRO | 202 | 360 | 4967 | v90, v92, ISDN | ||
| DC | MARLBORO W15 | 202 | 360 | 4967 | v90, v92, ISDN | ||
| DC | OXON HILL W6 | 202 | 360 | 4967 | v90, v92, ISDN | ||
| DC | ROCKVILLE W10 | 202 | 360 | 4967 | v90, v92, ISDN | ||
| DC | SILVER SPRING W3 | 202 | 360 | 4967 | v90, v92, ISDN | ||
| DC | WASHINGTON ZONE 1 | 202 | 360 | 4967 | v90, v92, ISDN | ||
| DC | WSHNGTNZN1 | 202 | 449 | 4602 | |||
| DC | STAFFORD | 540 | 242 | 9507 | |||
| DC | WALDORF | 240 | 229 | 9505 | |||
| DC | WSNGTNZN14 | 240 | 232 | 9507 | |||
| DC | WSHNGTNZN6 | 240 | 273 | 9507 | |||
| DC | WSNGTNZN10 | 240 | 599 | 9507 | |||
| DC | WSHNGTNZN3 | 240 | 638 | 4008 | |||
| DC | WSHNGTNZN2 | 240 | 744 | 9507 | |||
| DC | LA PLATA | 240 | 776 | 9507 | |||
| DC | LAUREL | 240 | 786 | 4607 | |||
| DC | BRANDYWINE | 240 | 787 | 9507 | |||
| DC | WSHNGTNZN5 | 240 | 788 | 9507 | |||
| DC | WSNGTNZN13 | 240 | 790 | 9507 | |||
| DC | LXTNPKGRML | 240 | 794 | 9507 | |||
| DC | WSNGTNZN11 | 240 | 880 | 9507 | |||
| DC | ASHTON | 240 | 883 | 9507 | |||
| DC | WSNGTNZN15 | 240 | 892 | 9507 | |||
| DC | WSNGTNZN16 | 240 | 897 | 9507 | |||
| DC | WSHNGTNZN4 | 240 | 898 | 9507 | |||
| DC | ENGLESIDE | 703 | 382 | 4607 | |||
| DC | WSNGTNZN19 | 703 | 621 | 9507 | |||
| DC | WSNGTNZN17 | 703 | 637 | 9507 | |||
| DC | DULLES | 703 | 651 | 3309 | |||
| DC | HERNDON | 703 | 673 | 9507 | |||
| DC | ARCOLA | 703 | 722 | 9507 | |||
| DC | WSNGTNZN08 | 703 | 740 | 4877 | |||
| DC | BRADDOCK | 703 | 745 | 9507 | |||
| DC | MANASSAS | 703 | 881 | 9505 | |||
| DC | TRIANGLE | 703 | 884 | 9507 | |||
| DC | DULLESMTRO | 703 | 972 | 9507 | |||