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Phone Numbers in Guatemala: Formats and Dialing Rules
Quick Reference
Country: Guatemala
Country Code: +502
International Prefix: 00
National Prefix: None
Overview
Discover the intricacies of Guatemala's telephone numbering plan. This guide is tailored for telecom professionals, developers, and system administrators who need precise and actionable insights into number formats, dialing procedures, and regulatory considerations.
Number Formats
Guatemala employs a closed numbering plan with fixed-length numbers. The country code is +502, and there is no national prefix. Below is a detailed breakdown of number formats for various services.
General Number Structure
Country Code: +502
National Number Length: 8 digits
Geographic Numbers
Geographic numbers are designated for fixed-line services, usually assigned by region.
Format: [2-7]XXXXXXX
Length: 8 digits
Example: 22345678 (a number in Guatemala City)
Mobile Numbers
Mobile numbers typically start with 3, 4, or 5.
Format: [3-5]XXXXXXX
Length: 8 digits
Example: 51234567 (a mobile number)
Toll-Free Numbers
Toll-free numbers begin with the digit 1, followed by 7 additional digits.
Format: 1800XXXXXX
Length: 10 digits
Example: 1800123456 (a toll-free number)
Premium Rate Numbers
Premium rate services use a prefix starting with 19, followed by 6 digits.
Format: 19XXXXXX
Length: 8 digits
Example: 19012345 (a premium rate number)
Number Format Table
Service Type
Format
Example
Length
Geographic Numbers
[2-7]XXXXXXX
22345678
8
Mobile Numbers
[3-5]XXXXXXX
51234567
8
Toll-Free Numbers
1800XXXXXX
1800123456
10
Premium Rate
19XXXXXX
19012345
8
Dialing Procedures
Domestic Calls
Landline to Landline: Dial the 8-digit number directly.
Landline to Mobile: Dial the 8-digit mobile number directly.
Mobile to Mobile: Dial the 8-digit mobile number directly.
Incoming: Callers from abroad should dial +502 followed by the 8-digit local number.
Technical Details
Regular Expressions
Use the following regex patterns to validate Guatemalan phone numbers:
Geographic Numbers:
^[2-7]\d{7}$
Mobile Numbers:
^[3-5]\d{7}$
Toll-Free Numbers:
^1800\d{6}$
Premium Rate Numbers:
^19\d{6}$
Number Portability
Guatemala supports mobile number portability, enabling users to retain their numbers when switching carriers. Detailed procedures are sparse but essential for telecom operations.
Major Telecom Operators and Number Ranges
Guatemala's telecom landscape features several major operators:
Tigo Guatemala: Primarily 4XX and 5XX ranges.
Claro Guatemala: Utilizes the 3XX range.
Movistar Guatemala: Shares the 5XX range with Tigo.
ITU-T Recommendations
Guatemala's numbering plan adheres to ITU-T Recommendation E.164, ensuring compliance with international standards for telecommunication numbering.
Number Allocation and Management
The Superintendencia de Telecomunicaciones (SIT) oversees number allocation and management, ensuring adherence to national and international standards. Visit SIT's official site for more information.
Technical Restrictions and Special Cases
Golden Numbers: Reserved for high-demand services, often available at a premium.
Number Blocking: Certain ranges may be blocked due to misuse or regulatory needs.
Technical Considerations for Developers
Validation: Use the provided regex patterns for number validation.
Portability Checks: Implement checks for number portability in your systems.
Internationalization: Store numbers in E.164 format for global compatibility.