NPA Location Local Dialing Pattern Notes
 201  NJ  10D  Calls between the 551 and 201 NPAs may be dialed as 10D.
 203  CT  10D  
 212  NY  1+10D  
 214  TX  10D  
 215  PA  10D  All calls within and between the 215 and267 and 484 and 610 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  
 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  
 248  MI  10D  
 249  ONTARIO  10D  
 250  BRITISH COLUMBIA  10D  
 256  AL  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  
 272  PA  10D  
 281  TX  10D  
 289  ONTARIO  10D  
 301  MD  10D  
 303  CO  10D  
 304  WV  10D  
 305  FL  10D  The Florida Keys retain 7D local dialing
 310  CA  1+10D  
 312  IL  1+10D  
 321  FL  10D  Home NPA local calls are 7D in Brevard County.
 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  
 339  MA  10D  
 343  ONTARIO  10D  
 347  NY  1+10D  
 351  MA  10D  
 364  KY  10D  
 365  ONTARIO  10D  
 385  UT  10D  
 402  NE  10D  
 403  ALBERTA  10D  
 404  GA  10D  
 407  FL  10D  
 408  CA  1+10D  
 410  MD  10D  
 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.
 416  ONTARIO  10D  
 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  
 430  TX  10D  
 431  MANITOBA  10D  
 437  ONTARIO  10D  
 438  QUEBEC  10D  
 442  CA  1+10D  
 443  MD  10D  
 450  QUEBEC  10D  
 458  OR  10D  
 469  TX  10D  
 470  GA  10D  
 475  CT  10D  Permissive at the Carrier's discretion
 484  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.
 503  OR  10D  
 508  MA  10D  
 512  TX  10D  
 514  QUEBEC  10D  Dialing plan changes on 6/4/05 to introduce permissive 10D dialing in preparation for 438 overlay.
 519  ONTARIO  10D  
 534  WI  10D  
 539  OK  10D  
 541  OR  10D  
 551  NJ  10D  Calls between the 551 and 201 NPAs may be dialed as 10D.
 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  
 571  VA  10D  
 579  QUEBEC  10D  
 581  QUEBEC  10D  
 587  ALBERTA  10D  
 601  MS  10D  
 604  BRITISH COLUMBIA  10D  
 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  
 617  MA  10D  
 630  IL  1+10D  
 639  SASKATCHEWAN  10D  
 646  NY  1+10D  
 647  ONTARIO  10D  
 657  CA  1+10D  
 667  MD  10D  
 669  CA  1+10D  
 678  GA  10D  
 681  WV  10D  
 682  TX  10D  
 703  VA  10D  
 704  NC  10D  
 706  GA  10D  
 713  TX  10D  
 714  CA  1+10D  
 715  WI  10D  
 718  NY  1+10D  
 720  CO  10D  
 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.
 732  NJ  10D  Calls between the 732 and 848 NPAs may be dialed as 10D.
 737  TX  10D  
 747  CA  1+10D  
 754  FL  10D  
 760  CA  1+10D  
 762  GA  10D  
 769  MS  10D  
 770  GA  10D  
 773  IL  1+10D  
 774  MA  10D  
 778  BRITISH COLUMBIA  10D  
 779  IL  1+10D  
 780  ALBERTA  10D  
 781  MA  10D  
 786  FL  10D  
 787  PUERTO RICO  10D  
 801  UT  10D  
 809  DOMINICAN REPUBLIC  10D  
 815  IL  1+10D  
 817  TX  10D  
 818  CA  1+10D  
 819  QUEBEC  10D  
 829  DOMINICAN REPUBLIC  10D  
 832  TX  10D  
 847  IL  1+10D  
 848  NJ  10D  Calls between the 732 and 848 NPAs may be dialed as 10D.
 849  DOMINICAN REPUBLIC  10D  
 857  MA  10D  
 860  CT  10D  
 862  NJ  10D  Calls between the 973 and 862 NPAs can be dialed as 10D.
 872  IL  1+10D  
 873  QUEBEC  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.
 903  TX  10D  
 905  ONTARIO  10D  Ten digit local dialing mandatory 9 June 2001.
 917  NY  1+10D  
 918  OK  10D  
 919  NC  10D  
 929  NY  1+10D  
 938  AL  10D  
 939  PUERTO RICO  10D  
 947  MI  10D  
 954  FL  10D  
 971  OR  10D  
 972  TX  10D  
 973  NJ  10D  Calls between the 973 and 862 NPAs can be dialed as 10D.
 978  MA  10D  
 980  NC  10D  
 984  NC  10D  

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