NANP-info.com
NPA NXX lookup tool
Phone code 506
Here you can find all NXX existing for NPA 506 (phone code 506), devided by hundreds.
2xx
200,
228,
235,
237,
246,
258,
263,
272,
273,
276,
277,
278,
279,
284,
3xx
310,
313,
314,
324,
325,
327,
328,
333,
336,
337,
339,
344,
356,
357,
358,
362,
363,
364,
365,
366,
367,
368,
369,
372,
375,
379,
381,
382,
383,
384,
385,
386,
387,
388,
389,
391,
392,
393,
394,
395,
4xx
422,
423,
425,
432,
433,
434,
441,
443,
444,
445,
446,
447,
449,
450,
451,
452,
453,
454,
455,
456,
457,
458,
459,
460,
461,
462,
463,
465,
466,
467,
468,
471,
472,
473,
474,
475,
485,
486,
488,
5xx
515,
522,
523,
524,
525,
529,
531,
532,
533,
534,
536,
538,
541,
542,
544,
545,
546,
547,
548,
549,
551,
553,
557,
558,
572,
575,
576,
577,
592,
6xx
616,
622,
623,
624,
627,
631,
632,
633,
634,
635,
636,
637,
638,
639,
640,
642,
643,
644,
645,
646,
647,
648,
649,
652,
653,
657,
658,
659,
662,
672,
674,
684,
685,
687,
693,
694,
696,
7xx
718,
725,
726,
727,
732,
734,
735,
736,
737,
738,
739,
743,
747,
752,
753,
754,
755,
756,
757,
758,
759,
763,
764,
773,
775,
776,
778,
779,
783,
784,
785,
789,
8xx
818,
826,
832,
833,
836,
839,
843,
847,
848,
849,
851,
852,
853,
854,
855,
856,
857,
858,
859,
860,
861,
862,
863,
864,
866,
867,
869,
870,
871,
872,
876,
877,
882,
887,
894,
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