The telecommunication services of Mexico are provided by a telephone numbering plan that specifies groups of area codes for the following regions:

CodesArea
0–99Metropolitan areas of Mexico: Guadalajara, Monterrey and Mexico City
200–299Puebla, Tlaxcala, Oaxaca and Veracruz
300–399Colima, Jalisco, Michoacán, Nayarit and Zacatecas
400–499Aguascalientes, Guanajuato, Hidalgo, Jalisco, México, Michoacán, Nuevo León, Querétaro, San Luis Potosí, Tamaulipas, Veracruz and Zacatecas
500–599México and Hidalgo
600–699Baja California, Baja California Sur, Chihuahua, Durango, Sinaloa and Sonora
700–799Guerrero, México, Michoacán, Hidalgo, Morelos, Oaxaca, Puebla, Tlaxcala and Veracruz
800–899Coahuila, Durango, Nuevo León, San Luis Potosí, Tamaulipas and Veracruz 800 are used for toll free numbers. 801 numbers used to be for premium-rate telephone numbers (such as 1-900 numbers in the United States) . Nowadays 900 numbers are premium-rate telephone numbers.
900–999Campeche, Chiapas, Oaxaca, Puebla, Quintana Roo, Tabasco, Veracruz and Yucatán

Area codes by federal entity

Federal EntityArea codes
Aguascalientes449, 458, 465, 495, 496
Baja California616, 646, 653, 658, 661, 663, 664, 665, 686
Baja California Sur612, 613, 615, 624
Campeche913, 938, 981, 982, 983, 996
Chiapas916, 917, 918, 919, 932, 934, 961, 962, 963, 964, 965, 966, 967, 968, 992, 994
Chihuahua614, 621, 625, 626, 627, 628, 629, 635, 636, 639, 648, 649, 652, 656, 657, 659
Coahuila671, 842, 844, 861, 862, 864, 866, 867, 869, 871, 872, 873, 877, 878
Colima312, 313, 314
Mexico City55, 56
Durango618, 629, 649, 671, 674, 675, 676, 677, 871, 872
Guanajuato352, 411, 412, 413, 415, 417, 418, 419, 421, 428, 429, 432, 438, 442, 445, 456, 461, 462, 464, 466, 468, 469, 472, 473, 476, 477, 479
Guerrero721, 727, 732, 733, 736, 741, 742, 744, 745, 747, 753, 754, 755, 756, 757, 758, 762, 767, 781
Hidalgo441, 483, 591, 738, 743, 746, 748, 759, 761, 763, 771, 772, 773, 774, 775, 776, 778, 779, 789, 791
Jalisco33, 312, 315, 316, 317, 321, 322, 326, 341, 342, 343, 344, 345, 346, 347, 348, 349, 354, 357, 358, 371, 372, 373, 374, 375, 376, 377, 378, 382, 384, 385, 386, 387, 388, 391, 392, 393, 395, 424, 431, 437, 457, 474, 475, 495, 496, 499
México55, 56, 427, 588, 591, 592, 593, 594, 595, 596, 597, 599, 711, 712, 713, 714, 716, 717, 718, 719, 721, 722, 723, 724, 725, 726, 728, 729, 743, 751, 761, 767
Michoacán313, 328, 351, 352, 353, 354, 355, 356, 359, 381, 383, 393, 394, 421, 422, 423, 424, 425, 426, 434, 435, 436, 438, 443, 447, 451, 452, 453, 454, 455, 459, 471, 711, 715, 753, 767, 786
Morelos731, 734, 735, 737, 739, 751, 769, 777
Nayarit311, 319, 322, 323, 324, 325, 327, 329, 389, 437
Nuevo León81, 488, 821, 823, 824, 825, 826, 828, 829, 867, 873, 892
Oaxaca236, 274, 281, 283, 287, 741, 757, 924, 951, 953, 954, 958, 971, 972, 994, 995
Puebla220, 221, 222, 223, 224, 226, 227, 231, 232, 233, 236, 237, 238, 243, 244, 245, 248, 249, 273, 275, 276, 278, 282, 746, 764, 776, 797, 953
Querétaro414, 419, 427, 441, 442, 446, 448, 487
Quintana Roo983, 984, 987, 997, 998
San Luis Potosí440, 444, 458, 481, 482, 483, 485, 486, 487, 488, 489, 496, 845
Sinaloa667, 668, 669, 672, 673, 687, 694, 695, 696, 697, 698
Sonora622, 623, 631, 632, 633, 634, 637, 638, 641, 642, 643, 644, 645, 647, 651, 653, 662
Tabasco913, 914, 917, 923, 932, 933, 934, 936, 937, 993
Tamaulipas482, 831, 832, 833, 834, 835, 836, 841, 867, 868, 891, 894, 897, 899
Tlaxcala222, 223, 241, 246, 247, 248, 276, 748, 749
Veracruz225, 226, 228, 229, 232, 235, 271, 272, 273, 274, 278, 279, 282, 283, 284, 285, 287, 288, 294, 296, 297, 489, 746, 765, 766, 768, 774, 782, 783, 784, 785, 789, 833, 846, 921, 922, 923, 924
Yucatán969, 985, 986, 988, 990, 991, 997, 999
Zacatecas346, 433, 437, 457, 458, 463, 467, 478, 492, 493, 494, 496, 498, 499, 842

See also