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Area code 55 (Mexico)

Area code 55 serves Mexico City and its metropolitan area. The area code was created in 2002 as a result of the consolidation of area codes and the realignment of numbering. The consolidation mandated by the Plan Nacional de Numeracion (PNN), assigned area codes based on geography, and took place during the process of phone numbering restructure in Mexico. The process objective was to alleviate saturation of existing area codes and consisted of progressively transferring numbers from the area code to the local number.

The area code 55 covers an extensive surface and it is close to exhaustion with approximately 72,960,518 [1] numbers assigned to this area code as of November 2018. A new overlaying area code has been assigned to Mexico City to address this issue. The new area code is 56.

Mexico City Area Code 55

States in the area code: 2

State INEGI Code
Ciudad de Mexico 09
Estado de Mexico 15
State of Mexico Code 55

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 (BARRIO DEL HUESO) 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 (EL GUARDA) 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 (FINCAS DE SAYAVEDRA) 150130108
TECAMAC DE FELIPE VILLANUEVA 150810001
TEMAMATLA 150830001
TENOPALCO (SAN FRANCISCO TENOPALCO) 150530005
TEPEPAN 090130131
TEPOJACO 151210067
TEPOTZOTLAN 150950001
TLACHIULTEPEC DE AHUAYUCAN (LAS MALVINAS) 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 (Caller paid CPP) To a Cell Phone (Receiver paid MPP)
Landline (Local dialing) 55 + 8 digits 044 + 55 + 8 digits 55 + 8 digits
Cell (Local dialing) 55 + 8 digits 55 + 8 digits 55 + 8 digits
Landline (Long distance) 01 + 55 + 8 digits 045 + 55 + 8 digits 01 + 55 + 8 digits
Cell (Long distance) 01 + 55 + 8 digits 045 + 55 + 8 digits 01 + 55 + 8 digits

International dialing: +52 + 55 + 8 digits

  1. ^ "Area Codes Maps and Stats". www.ift.org.mx. Instituto Federal de Telecomunicaciones. Retrieved 7 November 2018.