Area code 56 (Mexico)
Area code 56 serves Mexico City and its metropolitan area. The area code was assigned in October 2018 to alleviate saturation of area code 55. Area code 56 is an overlay of area code 55 covering the same area with approximately 2,200,000 numbers assigned to this area code as of November 2018.
States in the area code: 2
| State | INEGI Code |
| Ciudad de Mexico | 09 |
| Estado de Mexico | 15 |
Municipalities in the area code: 45
| Municipality | INEGI Code |
| TEMAMATLA | 15083 |
| GUSTAVO A. MADERO | 09005 |
| IZTACALCO | 09006 |
| MILPA ALTA | 09009 |
| TEPOTZOTLAN | 15095 |
| COACALCO DE BERRIOZABAL | 15020 |
| COCOTITLAN | 15022 |
| TULTEPEC | 15108 |
| COYOACAN | 09003 |
| ALVARO OBREGON | 09010 |
| TLAHUAC | 09011 |
| ATIZAPAN DE ZARAGOZA | 15013 |
| IXTAPALUCA | 15039 |
| LA MAGDALENA CONTRERAS | 09008 |
| MIGUEL HIDALGO | 09016 |
| VALLE DE CHALCO SOLIDARIDAD | 15122 |
| LERMA | 15051 |
| TLALPAN | 09012 |
| XOCHIMILCO | 09013 |
| VENUSTIANO CARRANZA | 09017 |
| CHALCO | 15025 |
| CHIMALHUACAN | 15031 |
| ISIDRO FABELA | 15038 |
| JILOTZINGO | 15046 |
| NEXTLALPAN | 15059 |
| LA PAZ | 15070 |
| TLALNEPANTLA DE BAZ | 15104 |
| CUAUHTEMOC | 09015 |
| ECATEPEC DE MORELOS | 15033 |
| HUIXQUILUCAN | 15037 |
| NAUCALPAN DE JUAREZ | 15057 |
| NICOLAS ROMERO | 15060 |
| CUAUTITLAN IZCALLI | 15121 |
| TECAMAC | 15081 |
| IZTAPALAPA | 09007 |
| CUAUTITLAN | 15024 |
| JALTENCO | 15044 |
| MELCHOR OCAMPO | 15053 |
| TONANITLA | 15125 |
| TULTITLAN | 15109 |
| BENITO JUAREZ | 09014 |
| CHICOLOAPAN | 15029 |
| AZCAPOTZALCO | 09002 |
| CUAJIMALPA DE MORELOS | 09004 |
| NEZAHUALCOYOTL | 15058 |
Cities and Towns in the area code: 117
| Town | INEGI Code |
| ACOLMAN DE NEZAHUALCOYOTL | 150020001 |
| ALVARO OBREGON | 090100001 |
| AXOTLAN | 151210007 |
| AZCAPOTZALCO | 090020001 |
| BENITO JUAREZ | 090140001 |
| BOSQUES DE COACALCO | 150200038 |
| BUENAVISTA | 151090003 |
| CABAÑAS, LAS | 150950028 |
| CABI, EL | 150830006 |
| CAÑADA, LA | 150370043 |
| CEDROS, LOS | 090120249 |
| CHALCO DE DIAZ COVARRUBIAS | 150250001 |
| CHICOLOAPAN DE JUAREZ | 150290001 |
| CHIMALHUACAN | 150310001 |
| CIUDAD LOPEZ MATEOS | 150130001 |
| CIUDAD NEZAHUALCOYOTL | 150580001 |
| COATEPEC | 150390004 |
| COCOTITLAN | 150220001 |
| COLONIA EL MIRADOR | 150600071 |
| CONCEPCION, LA | 150600029 |
| COYOACAN | 090030001 |
| CUAJIMALPA DE MORELOS | 090040001 |
| CUAUHTEMOC | 090150001 |
| CUAUTITLAN | 150240001 |
| CUAUTITLAN IZCALLI | 151210001 |
| ECATEPEC DE MORELOS | 150330001 |
| EJIDO DE SAN JUAN TLIHUACAN | 150130104 |
| EJIDO EL CAPULIN | 150390083 |
| FUENTES DEL VALLE | 151090068 |
| GENERAL MANUEL AVILA CAMACHO | 150390007 |
| GUSTAVO A. MADERO | 090050001 |
| HUIXQUILUCAN DE DEGOLLADO | 150370001 |
| IXTAPALUCA | 150390001 |
| IZTACALCO | 090060001 |
| IZTAPALAPA | 090070001 |
| KM. 38 | 090120129 |
| LAUREL, EL | 150370010 |
| LLANO DE LAS FLORES | 150570258 |
| LOMA DEL RIO | 150600063 |
| MAGDALENA CHICHICASPA | 150370013 |
| MAGDALENA CONTRERAS, LA | 090080001 |
| MELCHOR OCAMPO | 150530001 |
| MIGUEL HIDALGO | 090160001 |
| NAUCALPAN DE JUAREZ | 150370071 |
| NAUCALPAN DE JUAREZ | 150570001 |
| OJO DE AGUA | 150810019 |
| PARRES | 090120019 |
| PEDREGAL, EL | 150130105 |
| PROGRESO INDUSTRIAL | 150600016 |
| RANCHO COXTITLAN | 150290036 |
| RANCHO TLALMIMILOLPAN | 150290035 |
| REYES ACAQUILPAN, LOS | 150700001 |
| RIO FRIO DE JUAREZ | 150390011 |
| SALAZAR | 150510015 |
| SAN ANDRES MIXQUIC | 090110011 |
| SAN ANTONIO TECOMITL | 090090011 |
| SAN BARTOLOME XICOMULCO | 090090015 |
| SAN FRANCISCO ACUAUTLA | 150390012 |
| SAN FRANCISCO CHIMALPA | 150570088 |
| SAN FRANCISCO COACALCO | 150200001 |
| SAN FRANCISCO MAGU | 150600018 |
| SAN FRANCISCO TECOXPA | 090090017 |
| SAN GREGORIO CUAUTZINGO | 150250005 |
| SAN JACINTO | 150370022 |
| SAN JOSE EL VIDRIO | 150600020 |
| SAN JOSE TEJAMANIL | 150570239 |
| SAN JUAN DE LAS TABLAS | 150600021 |
| SAN JUAN IXTAYOPAN | 090110021 |
| SAN LORENZO ACOPILCO | 090040020 |
| SAN LORENZO TLACOYUCAN | 090090152 |
| SAN LUIS AYUCAN | 150460003 |
| SAN MARTIN CUAUTLALPAN | 150250014 |
| SAN MATEO HUITZILZINGO | 150250016 |
| SAN MATEO IXTACALCO | 150240088 |
| SAN MIGUEL AJUSCO | 090120026 |
| SAN MIGUEL TOPILEJO | 090120027 |
| SAN NICOLAS TETELCO | 090110024 |
| SAN PABLO ATLAZALPAN | 150250019 |
| SAN PABLO DE LAS SALINAS | 151090025 |
| SAN PABLO OZTOTEPEC | 090090024 |
| SAN PEDRO ATOCPAN | 090090029 |
| SANTA ANA JILOTZINGO | 150460001 |
| SANTA ANA NEXTLALPAN | 150590001 |
| SANTA ANA TLACOTENCO | 090090036 |
| SANTA CATARINA AYOTZINGO | 150250020 |
| SANTA CATARINA YECAHUITZOTL | 090110026 |
| SANTA CRUZ | 151220005 |
| SANTA CRUZ AYOTUZCO | 150370024 |
| SANTA MARIA MAGDALENA CAHUACAN | 150600004 |
| SANTA MARIA MAZATLA | 150460005 |
| SANTA MARIA TONANITLA | 150440002 |
| SANTIAGO CUAUTLALPAN | 150950026 |
| SANTIAGO YANCUITLALPAN | 150370025 |
| SAYAVEDRA | 150130108 |
| TECAMAC DE FELIPE VILLANUEVA | 150810001 |
| TEMAMATLA | 150830001 |
| TENOPALCO | 150530005 |
| TEPEPAN | 090130131 |
| TEPOJACO | 151210067 |
| TEPOTZOTLAN | 150950001 |
| TLACHIULTEPEC DE AHUAYUCAN | 090130137 |
| TLAHUAC | 090110001 |
| TLALNEPANTLA | 151040001 |
| TLALPAN | 090120001 |
| TLAZALA DE FABELA | 150380001 |
| TRANSFIGURACION | 150600025 |
| TULTEPEC | 151080001 |
| TULTITLAN DE MARIANO ESCOBEDO | 151090001 |
| VENUSTIANO CARRANZA | 090170001 |
| VILLA ALPINA | 150570149 |
| VILLA MILPA ALTA | 090090001 |
| VILLA NICOLAS ROMERO | 150600001 |
| VISITACION | 150530028 |
| XICO | 151220001 |
| XOCHIMILCO | 090130001 |
| ZACAMULPA | 150370026 |
| ZOQUIAPAN | 150390017 |
Companies providing phone service in the area code: 53
| Company |
| ALESTRA |
| ALTÁN |
| ALTATA |
| AT&T |
| AT&T |
| AT&T |
| AVANTEL |
| AXTEL |
| BESTPHONE |
| BRIHMCA |
| CABLECOM |
| CABLEMAS |
| CABLEVISION |
| COMUNICALO |
| CONVERGIA |
| DIALOGA |
| EJA |
| FREEDOMPOP |
| GPO HIDALGUENSE |
| IBO CELL |
| IENTC |
| INBTEL |
| INTERFIBRA |
| IP MATRIX |
| KIWI NETWORKS |
| LANTOINTERNET |
| LOGITEL |
| MARCATELCOM |
| MAXCOM |
| MCM |
| MEGA TEL |
| MEGACABLE |
| METRORED |
| MOVISTAR |
| NEUS |
| OPENIP |
| PROTEL I-NEXT |
| QBOCEL |
| QUALTEL |
| SERVITRON |
| SERVNET |
| TACTIC |
| TALKTEL |
| TELCEL |
| TELECOMMERCE |
| TELECOMUNICACIONES 360 |
| TELEFACIL |
| TELMEX |
| TOTAL PLAY |
| TV REY |
| UC TELECOM |
| VADSA |
| VPN |
Local Number: 7 Digits
| From | To a Landline | To a Cell Phone | To a Cell Phone |
| Landline | 56 + 8 digits | 56 + 8 digits | 56 + 8 digits |
| Cell | 56 + 8 digits | 56 + 8 digits | 56 + 8 digits |
| Landline | 56 + 8 digits | 56 + 8 digits | 56 + 8 digits |
| Cell | 56 + 8 digits | 56 + 8 digits | 56 + 8 digits |
International dialing: +52 + 56 + 8 digits