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Area Codes Requiring 10 Digit Dialing
NPA
Location
Local Dialing Pattern
Notes
201
NJ
10D
Calls between the 551 and 201 NPAs may be dialed as 10D. 1+10 digit permissible at service provider discretion.
202
DC
10D
1+10 digit permissible at each service providers discretion
203
CT
10D
1+10 permissible at service provider discretion
204
MANITOBA
10D
205
AL
10D
1+10 digit permissible at each service providers discretion
206
WA
10D
1+10-digit dialing permissible at service provider discretion
208
ID
10D
209
CA
1+10D
210
TX
10D
212
NY
1+10D
10-digit dialing is permissible for Home NPA Local Calls
213
CA
1+10D
214
TX
10D
215
PA
10D
All calls within and between the 215 and 267 and 484 and 610 NPAs can be dialed as 10D or 1+10D. Calls to other NPAs must be dialed as 1+10D.
217
IL
10D
1+10 digit permissible at each service providers discretion
218
MN
10D
1+10 digit permissible at service provider discretion.
219
IN
10D
1+10 digit permissible at service provider discretion.
220
OH
10D
Carriers must provide permissive 1+10D dialing for Foreign NPA Local Calls in areas where they provide optional EAS.
223
PA
10D
All calls within and between the 717 and 223 NPAs can be dialed as 10D or 1+10D. Calls to other NPAs must be dialed as 1+10D.
224
IL
1+10D
226
ONTARIO
10D
227
MD
10D
1+10 digit dialing for all calls permissible at service provider discretion.
234
OH
10D
Carriers must provide permissive 1+10D dialing for Foreign NPA Local Calls in areas where they provide optional EAS
236
BRITISH COLUMBIA
10D
240
MD
10D
1+10 digit dialing for all calls permissible at service provider discretion.
248
MI
10D
249
ONTARIO
10D
250
BRITISH COLUMBIA
10D
251
AL
10D
Other dialing plans may apply at the discretion of the local service provider. 1+10 digit permissible at service provider discretion.
253
WA
10D
1+10-digit dialing permissible at service provider discretion
254
TX
10D
1+10 digit permissible at service provider discretion.
256
AL
10D
1+10 digit permissible at service provider discretion
262
WI
10D
1+10 digit permissible at service provider discretion.
263
QUEBEC
10D
267
PA
10D
All calls within and between the 215 and 267 and 484 and 610 NPAs can be dialed as 10D or 1+10D. Calls to other NPAs must be dialed as 1+10D.
270
KY
10D
1+10 digit permissible at service provider’s discretion
272
PA
10D
1+10 digit dialing for all HNPA and FNPA calls permissible at service provider discretion
274
WI
10D
1+10 digit dialing for all calls permissible at each service providers discretion.
276
VA
10D
1+10 digit permissible at service provider discretion.
279
CA
1+10D
281
TX
10D
283
OH
10D
1+10 digit permissible at each SPs discretion.
289
ONTARIO
10D
301
MD
10D
1+10 digit dialing for all calls permissible at service provider discretion.
302
DE
10D
1+10 digit permissible at service provider discretion.
303
CO
10D
1+10 permissible at each service providers discretion
304
WV
10D
1+10-digits permissible recommended
305
FL
10D
1+10 permissive dialing at service provider discretion
309
IL
10D
1+10 digit permissible at service provider discretion.
310
CA
1+10D
312
IL
1+10D
314
MO
10D
1+10 digit permissible at service provider discretion.
315
NY
10D
1+10 digit permissible at service provider discretion see PL-485
317
IN
10D
1+10 digit for all HNPA and FNPA calls permissible at service provider discretion
319
IA
10D
1+10 digit permissible at service provider discretion.
321
FL
10D
1+10 digit permissible at service provider discretion.
323
CA
1+10D
326
OH
10D
1+10 digit permissible required excluding CMRS providers
329
NY
10D
1+10 digit dialing for all calls permissible at each service providers discretion.
330
OH
10D
Carriers must provide permissive 1+10D dialing for Foreign NPA Local Calls in areas where they provide optional EAS
331
IL
1+10D
332
NY
1+10D
10-digit dialing is permissible for Home NPA Local Calls
336
NC
10D
337
LA
10D
1+10 digit permissible at service provider discretion.
339
MA
10D
1+10 digit permissible at service provider discretion
341
CA
1+10D
343
ONTARIO
10D
346
TX
10D
347
NY
1+10D
10-digit dialing is permissible for Home NPA Local Calls
350
CA
1+10D
351
MA
10D
1+10 digit permissible at service provider discretion
352
FL
10D
1+10 digit permissible at service provider discretion.
353
WI
10D
1+10 digit permissible at service provider discretion.
354
QUEBEC
10D
360
WA
10D
1+10-digit dialing permissible at service provider discretion
361
TX
10D
1+10 digit permissible at service provider discretion.
363
NY
10D
1+10-digit dialing for all calls permissible at service provider discretion
364
KY
10D
1+10 digit permissible at service provider’s discretion
365
ONTARIO
10D
367
QUEBEC
10D
368
ALBERTA
10D
369
CA
1+10D
380
OH
10D
Carriers must provide permissive 1+10D dialing for Foreign NPA Local Calls in areas where they provide optional EAS
382
ONTARIO
10D
385
UT
10D
402
NE
10D
403
ALBERTA
10D
404
GA
10D
1+10 permissive dialing at service provider discretion
405
OK
10D
1+10 digit permissible at each service providers discretion
406
MT
10D
1+10 digit permissible at service provider discretion.
407
FL
10D
408
CA
1+10D
409
TX
10D
1+10 digit permissible at service provider discretion.
410
MD
10D
1+10 digit permissible at service provider discretion.
412
PA
10D
All calls within and between NPAs 412 and 724 and 878 can be dialed as 10D or 1+10D. Calls to other NPAs must be dialed as 1+10D.
414
WI
10D
1+10 digit permissible at service provider discretion.
415
CA
1+10D
416
ONTARIO
10D
417
MO
10D
1+10 digit permissible at service provider discretion.
418
QUEBEC
10D
419
OH
10D
Carriers must provide permissive 1+10D dialing for Foreign NPA Local Calls in areas where they provide optional EAS
424
CA
1+10D
425
WA
10D
1+10-digit dialing permissible at service provider discretion
428
NEW BRUNSWICK
10D
430
TX
10D
431
MANITOBA
10D
437
ONTARIO
10D
438
QUEBEC
10D
440
OH
10D
1+10 digit dialing permissible at service providers discretion excluding CMRS providers
442
CA
1+10D
443
MD
10D
1+10 digit permissible at service provider discretion.
445
PA
10D
447
IL
10D
1+10 digit permissible at each service providers discretion
448
FL
10D
1+10 digit permissible at each service providers discretion
450
QUEBEC
10D
458
OR
10D
1+10 digit permissible at service provider discretion
463
IN
10D
1+10 digit for all HNPA and FNPA calls permissible at service provider discretion
464
IL
1+10D
468
QUEBEC
10D
469
TX
10D
470
GA
10D
1+10 permissive dialing at service provider discretion
472
NC
10D
1+10 permissible at service providers discretion
474
SASKATCHEWAN
10D
475
CT
10D
1+10 permissible at service provider discretion
478
GA
10D
1+10 digit permissible at service provider discretion.
480
AZ
10D
1+10 digit permissible at service provider discretion.
484
PA
10D
1+10 digit dialing for all HNPA and FNPA calls permissible at each service providers discretion.
501
AR
10D
1+10 digit permissible at service provider discretion.
503
OR
10D
504
LA
10D
1+10 digit permissible at service provider discretion.
505
NM
10D
1+10 digit permissible at service provider discretion.
506
NEW BRUNSWICK
10D
508
MA
10D
1+10 digit permissible at service provider discretion
509
WA
10D
1+10 digit permissible at service provider discretion.
510
CA
1+10D
512
TX
10D
513
OH
10D
1+10 digit permissible at each SPs discretion.
514
QUEBEC
10D
Dialing plan changes on 6/4/05 to introduce permissive 10D dialing in preparation for 438 overlay.
515
IA
10D
1+10 digit permissible at service provider discretion.
516
NY
10D
1+10 digit permissible at service provider discretion.
518
NY
10D
1+10 digit permissible at service provider discretion
519
ONTARIO
10D
520
AZ
10D
1+10 digit permissible at service provider discretion.
530
CA
1+10D
531
NE
10D
534
WI
10D
1+10 digit permissible at service provider discretion see PL 384
539
OK
10D
540
VA
10D
1+10 digit permissible at each service provider discretion
541
OR
10D
1+10 digit permissible at service provider discretion
548
ONTARIO
10D
551
NJ
10D
Calls between the 551 and 201 NPAs may be dialed as 10D. 1+10 digit permissible at service provider discretion.
557
MO
10D
1+10 digit permissible at service provider discretion
561
FL
10D
1+10 digit permissible at service provider discretion. See Planning Letter 291 for local dialing into the 954-754 NPAs.
562
CA
1+10D
564
WA
10D
1+10-digit dialing permissible at service provider discretion
567
OH
10D
Carriers must provide permissive 1+10D dialing for Foreign NPA Local Calls in areas where they provide optional EAS
570
PA
10D
1+10 digit dialing for all HNPA and FNPA calls permissible at service provider discretion
571
VA
10D
572
OK
10D
1+10 digit permissible at each service providers discretion
573
MO
10D
1+10 digit dialing permissible at service providers discretion
574
IN
10D
1+10 digit permissible at service provider discretion.
575
NM
10D
1+10 digit permissible at service provider discretion.
579
QUEBEC
10D
581
QUEBEC
10D
582
PA
10D
1+10 digit dialing for all HNPA and FNPA calls permissible at each service provider discretion
584
MANITOBA
10D
587
ALBERTA
10D
601
MS
10D
602
AZ
10D
1+10 digit permissible at service provider discretion.
603
NH
10D
1+10 digit permissible at service provider discretion.
604
BRITISH COLUMBIA
10D
605
SD
10D
1+10 digit permissible at service provider discretion.
607
NY
10D
1+10 digit permissible at service provider discretion.
608
WI
10D
1+10 digit permissible at service provider discretion.
609
NJ
10D
1+10 digits for HNPA calls permissible at each service provider's discretion.
610
PA
10D
All calls within and between the 215 and 267 and 484 and 610 NPAs can be dialed as 10D or 1+10D. Calls to other NPAs must be dialed as 1+10D.
613
ONTARIO
10D
614
OH
10D
Carriers must provide permissive 1+10D dialing for Foreign NPA Local Calls in areas where they provide optional EAS
615
TN
10D
1+10 digit permissible at service provider discretion
616
MI
10D
1+10 digit permissible at service provider discretion.
617
MA
10D
1+10 digit permissible at service provider discretion
618
IL
10D
1+10 digit permissible at service provider discretion.
619
CA
1+10D
620
KS
10D
1+10 digit permissible at service provider discretion.
623
AZ
10D
1+10 digit permissible at service provider discretion.
626
CA
1+10D
628
CA
1+10D
629
TN
10D
1+10 digit permissible at service provider discretion
630
IL
1+10D
631
NY
10D
1+10 digit permissible at service provider discretion
639
SASKATCHEWAN
10D
640
NJ
10D
1+10 digits for HNPA calls permissible at each service provider's discretion.
645
FL
10D
1+10 permissive dialing at service provider discretion
646
NY
1+10D
10-digit dialing is permissible for Home NPA Local Calls
647
ONTARIO
10D
650
CA
1+10D
656
FL
10D
1+10 digit permissible at each service providers discretion
657
CA
1+10D
658
JAMAICA
10D
659
AL
10D
1+10 digit permissible at each service providers discretion
660
MO
10D
1+10 digit permissible at service provider discretion.
662
MS
10D
1+10 digit permissible at service provider discretion.
667
MD
10D
1+10 digit permissible at service provider discretion.
669
CA
1+10D
671
GU
10D
1+10 digit permissible at service provider discretion.
672
BRITISH COLUMBIA
10D
678
GA
10D
1+10 permissive dialing at service provider discretion
680
NY
10D
1+10 digit permissible at service provider discretion see PL-485
681
WV
10D
1+10-digits permissible recommended
682
TX
10D
683
ONTARIO
10D
689
FL
10D
702
NV
10D
703
VA
10D
704
NC
10D
705
ONTARIO
10D
706
GA
10D
707
CA
1+10D
708
IL
1+10D
713
TX
10D
714
CA
1+10D
715
WI
10D
1+10 digit permissible at service provider discretion see PL 384
716
NY
10D
1+10 digit permissible at service provider discretion.
717
PA
10D
All calls within and between the 717 and 223 NPAs can be dialed as 10D or 1+10D. Calls to other NPAs must be dialed as 1+10D.
718
NY
1+10D
10-digit dialing is permissible for Home NPA Local Calls
719
CO
10D
1+10 digit permissible at service provider discretion.
720
CO
10D
1+10 permissible at service provider discretion
724
PA
10D
All calls within and between NPAs 412 and 724 and 878 can be dialed as 10D or 1+10D. Calls to other NPAs must be dialed as 1+10D.
725
NV
10D
726
TX
10D
728
FL
10D
1+10 permissive dialing at service providers discretion
730
IL
10D
1+10 digit permissible at service provider discretion.
731
TN
10D
1+10 digit permissible at service provider discretion.
732
NJ
10D
Calls between the 732 and 848 NPAs may be dialed as 10D. 1+10 digit permissible at service provider discretion.
737
TX
10D
740
OH
10D
Carriers must provide permissive 1+10D dialing for Foreign NPA Local Calls in areas where they provide optional EAS
742
ONTARIO
10D
743
NC
10D
747
CA
1+10D
753
ONTARIO
10D
754
FL
10D
757
VA
10D
1+10 digit permissible at each service provider discretion
760
CA
1+10D
762
GA
10D
769
MS
10D
770
GA
10D
1+10 permissive dialing at service provider discretion
771
DC
10D
1+10 digit permissible at each service providers discretion
773
IL
1+10D
774
MA
10D
1+10 digit permissible at service provider discretion
775
NV
10D
1+10 digit permissible at service provider discretion.
778
BRITISH COLUMBIA
10D
779
IL
1+10D
780
ALBERTA
10D
781
MA
10D
1+10 digit permissible at service provider discretion
782
NOVA SCOTIA - PRINCE EDWARD ISLAND
10D
785
KS
10D
1+10 digit permissible at service provider discretion.
786
FL
10D
1+10 permissive dialing at service provider discretion
787
PR
10D
801
UT
10D
802
VT
10D
1+10 digit permissible at service provider discretion.
803
SC
10D
1+10 digit permissible at each service provider discretion
804
VA
10D
1+10 digit permissible at service provider discretion.
805
CA
1+10D
806
TX
10D
1+10 digit permissible at service provider discretion.
808
HI
10D
1+10 digit permissible at service provider discretion.
809
DOMINICAN REPUBLIC
10D
810
MI
10D
1+10 digit permissible at service provider discretion.
812
IN
10D
1+10 digit for all HNPA and FNPA calls permissible at service provider discretion
813
FL
10D
1+10 digit permissible at each service provider's discretion
814
PA
10D
1+10 digit dialing for all HNPA and FNPA calls permissible at each service provider discretion
815
IL
1+10D
816
MO
10D
1+10 digit permissible at service provider discretion.
817
TX
10D
818
CA
1+10D
819
QUEBEC
10D
820
CA
1+10D
825
ALBERTA
10D
826
VA
10D
1+10 digit permissible at each service provider discretion
829
DOMINICAN REPUBLIC
10D
830
TX
10D
1+10 digit permissible at service provider discretion.
832
TX
10D
835
PA
10D
1+10 digit dialing for all HNPA and FNPA calls permissible at service provider discretion.
838
NY
10D
1+10 digit permissible at service provider discretion
839
SC
10D
1+10 digit permissible at each service providers discretion
840
CA
1+10D
843
SC
10D
1+10 digit for all HNPA and FNPA calls permissible at each service provider discretion
845
NY
10D
1+10 digit permissible at service provider discretion.
847
IL
1+10D
848
NJ
10D
Calls between the 732 and 848 NPAs may be dialed as 10D. 1+10 digit permissible at service provider discretion.
849
DOMINICAN REPUBLIC
10D
850
FL
10D
1+10 digit permissible at each service providers discretion
854
SC
10D
1+10 digit for all HNPA and FNPA calls permissible at each service provider discretion
856
NJ
10D
Enforcement of mandatory dialing is 7/15/2022. 1+10 digit permissible at service provider discretion.
857
MA
10D
1+10 digit permissible at service provider discretion
858
CA
1+10D
859
KY
10D
1+10 digit permissible at service provider discretion.
860
CT
10D
1+10 permissible at service provider discretion
861
IL
10D
1+10 permissive dialing at service provider discretion
862
NJ
10D
Calls between the 973 and 862 NPAs can be dialed as 10D. 1+10 digit permissible at service provider discretion.
865
TN
10D
1+10 digit permissible at service provider discretion.
872
IL
1+10D
873
QUEBEC
10D
876
JAMAICA
10D
878
PA
10D
All calls within and between NPAs 412 and 724 and 878 can be dialed as 10D or 1+10D. Calls to other NPAs must be dialed as 1+10D.
902
NOVA SCOTIA - PRINCE EDWARD ISLAND
10D
903
TX
10D
904
FL
10D
1+10 digit dialing permissible at service provider’s discretion
905
ONTARIO
10D
Ten digit local dialing mandatory 9 June 2001.
906
MI
10D
1+10 digit permissible at service provider discretion.
907
AK
10D
1+10 digit permissible at service provider discretion.
908
NJ
10D
1+10 digit permissible at service provider discretion.
909
CA
1+10D
910
NC
10D
1+10 digit permissible at service provider discretion.
912
GA
10D
1+10 digit permissible at service provider discretion.
914
NY
10D
1+10 digit permissible at service provider discretion.
915
TX
10D
1+10 digit permissible at service provider discretion.
916
CA
1+10D
917
NY
1+10D
10-digit dialing is permissible for Home NPA Local Calls
918
OK
10D
919
NC
10D
1+10 digit permissible at service provider discretion
920
WI
10D
1+10 digit permissible at service provider discretion.
925
CA
1+10D
928
AZ
10D
1+10 digit permissible at service provider discretion.
929
NY
1+10D
10-digit dialing is permissible for Home NPA Local Calls
930
IN
10D
1+10 digit for all HNPA and FNPA calls permissible at service provider discretion
934
NY
10D
1+10 digit permissible at service provider discretion
937
OH
10D
Carriers must provide permissive 1+10D dialing for Foreign NPA Local Calls in areas where they provide optional EAS. 1+10 digit permissible required excluding CMRS providers
938
AL
10D
1+10 digit permissible at service provider discretion
939
PR
10D
940
TX
10D
1+10 digit permissible at service provider discretion.
941
FL
10D
1+10 digit permissible at service provider discretion.
943
GA
10D
1+10 permissive dialing at service provider discretion
945
TX
10D
947
MI
10D
948
VA
10D
1+10 digit permissible at each service providers discretion
949
CA
1+10D
951
CA
1+10D
952
MN
10D
1+10 digit permissible at service provider discretion.
954
FL
10D
959
CT
10D
1+10 permissible at service provider discretion
970
CO
10D
1+10 digit permissible at service provider discretion.
971
OR
10D
972
TX
10D
973
NJ
10D
Calls between the 973 and 862 NPAs can be dialed as 10D. 1+10 digit permissible at service provider discretion.
978
MA
10D
1+10 digit permissible at service provider discretion
980
NC
10D
983
CO
10D
1+10 permissible at service provider discretion
984
NC
10D
1+10 digit permissible at service provider’s discretion
986
ID
10D
989
MI
10D
1+10 digit permissible at service provider discretion.
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