Prado's ISDN Service Area
Our ISDN dial-up pool is a local call from the following prefixes
in the (510) area code:
224
225
227
244
247
248
264
275-278
293
297
317
328
351
352
355
357
358
376
382
416
417
426
429
430
441
460
462
463
467
471
475
476
481
483-485
487
489
494
505
537
538
551-553
556
562
567-569
577
581
582
608
613-615
618
631-633
635
636
638
639
648
667
670
678
713
727-729
732-736
742-745
780-786
790-797
803
806
815
820
823
824
828-831
833
837
838
842
846
847
855
862
866
867
881
885-889
895
901
~